639936720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:575

約数の個数: 320

約数和(自身を含む): 2399846400

約数和(自身を除く): 1759909680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 48, 54, 57, 60, 62, 72, 76, 80, 90, 93, 95, 108, 114, 120, 124, 135, 144, 152, 155, 171, 180, 186, 190, 216, 228, 240, 248, 270, 279, 285, 304, 310, 342, 360, 372, 380, 432, 456, 465, 496, 503, 513, 540, 558, 570, 589, 620, 684, 720, 744, 760, 837, 855, 912, 930, 1006, 1026, 1080, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1509, 1520, 1674, 1710, 1767, 1860, 2012, 2052, 2160, 2232, 2280, 2356, 2480, 2515, 2565, 2736, 2790, 2945, 3018, 3348, 3420, 3534, 3720, 4024, 4104, 4185, 4464, 4527, 4560, 4712, 5030, 5130, 5301, 5580, 5890, 6036, 6696, 6840, 7068, 7440, 7545, 8048, 8208, 8370, 8835, 9054, 9424, 9557, 10060, 10260, 10602, 11160, 11780, 12072, 13392, 13581, 13680, 14136, 15090, 15593, 15903, 16740, 17670, 18108, 19114, 20120, 20520, 21204, 22320, 22635, 23560, 24144, 26505, 27162, 28272, 28671, 30180, 31186, 31806, 33480, 35340, 36216, 38228, 40240, 41040, 42408, 45270, 46779, 47120, 47785, 53010, 54324, 57342, 60360, 62372, 63612, 66960, 67905, 70680, 72432, 76456, 77965, 79515, 84816, 86013, 90540, 93558, 95570, 106020, 108648, 114684, 120720, 124744, 127224, 135810, 140337, 141360, 143355, 152912, 155930, 159030, 172026, 181080, 187116, 191140, 212040, 217296, 229368, 233895, 249488, 254448, 258039, 271620, 280674, 286710, 296267, 311860, 318060, 344052, 362160, 374232, 382280, 421011, 424080, 430065, 458736, 467790, 516078, 543240, 561348, 573420, 592534, 623720, 636120, 688104, 701685, 748464, 764560, 842022, 860130, 888801, 935580, 1032156, 1086480, 1122696, 1146840, 1185068, 1247440, 1272240, 1290195, 1376208, 1403370, 1481335, 1684044, 1720260, 1777602, 1871160, 2064312, 2105055, 2245392, 2293680, 2370136, 2580390, 2666403, 2806740, 2962670, 3368088, 3440520, 3555204, 3742320, 4128624, 4210110, 4444005, 4740272, 5160780, 5332806, 5613480, 5925340, 6736176, 6881040, 7110408, 7999209, 8420220, 8888010, 10321560, 10665612, 11226960, 11850680, 13332015, 14220816, 15998418, 16840440, 17776020, 20643120, 21331224, 23701360, 26664030, 31996836, 33680880, 35552040, 39996045, 42662448, 53328060, 63993672, 71104080, 79992090, 106656120, 127987344, 159984180, 213312240, 319968360, 639936720]

約数ペア:

[(1, 639936720), (2, 319968360), (3, 213312240), (4, 159984180), (5, 127987344), (6, 106656120), (8, 79992090), (9, 71104080), (10, 63993672), (12, 53328060), (15, 42662448), (16, 39996045), (18, 35552040), (19, 33680880), (20, 31996836), (24, 26664030), (27, 23701360), (30, 21331224), (31, 20643120), (36, 17776020), (38, 16840440), (40, 15998418), (45, 14220816), (48, 13332015), (54, 11850680), (57, 11226960), (60, 10665612), (62, 10321560), (72, 8888010), (76, 8420220), (80, 7999209), (90, 7110408), (93, 6881040), (95, 6736176), (108, 5925340), (114, 5613480), (120, 5332806), (124, 5160780), (135, 4740272), (144, 4444005), (152, 4210110), (155, 4128624), (171, 3742320), (180, 3555204), (186, 3440520), (190, 3368088), (216, 2962670), (228, 2806740), (240, 2666403), (248, 2580390), (270, 2370136), (279, 2293680), (285, 2245392), (304, 2105055), (310, 2064312), (342, 1871160), (360, 1777602), (372, 1720260), (380, 1684044), (432, 1481335), (456, 1403370), (465, 1376208), (496, 1290195), (503, 1272240), (513, 1247440), (540, 1185068), (558, 1146840), (570, 1122696), (589, 1086480), (620, 1032156), (684, 935580), (720, 888801), (744, 860130), (760, 842022), (837, 764560), (855, 748464), (912, 701685), (930, 688104), (1006, 636120), (1026, 623720), (1080, 592534), (1116, 573420), (1140, 561348), (1178, 543240), (1240, 516078), (1368, 467790), (1395, 458736), (1488, 430065), (1509, 424080), (1520, 421011), (1674, 382280), (1710, 374232), (1767, 362160), (1860, 344052), (2012, 318060), (2052, 311860), (2160, 296267), (2232, 286710), (2280, 280674), (2356, 271620), (2480, 258039), (2515, 254448), (2565, 249488), (2736, 233895), (2790, 229368), (2945, 217296), (3018, 212040), (3348, 191140), (3420, 187116), (3534, 181080), (3720, 172026), (4024, 159030), (4104, 155930), (4185, 152912), (4464, 143355), (4527, 141360), (4560, 140337), (4712, 135810), (5030, 127224), (5130, 124744), (5301, 120720), (5580, 114684), (5890, 108648), (6036, 106020), (6696, 95570), (6840, 93558), (7068, 90540), (7440, 86013), (7545, 84816), (8048, 79515), (8208, 77965), (8370, 76456), (8835, 72432), (9054, 70680), (9424, 67905), (9557, 66960), (10060, 63612), (10260, 62372), (10602, 60360), (11160, 57342), (11780, 54324), (12072, 53010), (13392, 47785), (13581, 47120), (13680, 46779), (14136, 45270), (15090, 42408), (15593, 41040), (15903, 40240), (16740, 38228), (17670, 36216), (18108, 35340), (19114, 33480), (20120, 31806), (20520, 31186), (21204, 30180), (22320, 28671), (22635, 28272), (23560, 27162), (24144, 26505)]