215856720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 240

約数和(自身を含む): 789235200

約数和(自身を除く): 573378480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 509, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 1018, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1527, 1710, 1767, 1860, 2036, 2232, 2280, 2356, 2480, 2545, 2736, 2790, 2945, 3054, 3420, 3534, 3720, 4072, 4464, 4560, 4581, 4712, 5090, 5301, 5580, 5890, 6108, 6840, 7068, 7440, 7635, 8144, 8835, 9162, 9424, 9671, 10180, 10602, 11160, 11780, 12216, 13680, 14136, 15270, 15779, 17670, 18324, 19342, 20360, 21204, 22320, 22905, 23560, 24432, 26505, 28272, 29013, 30540, 31558, 35340, 36648, 38684, 40720, 42408, 45810, 47120, 47337, 48355, 53010, 58026, 61080, 63116, 70680, 73296, 77368, 78895, 84816, 87039, 91620, 94674, 96710, 106020, 116052, 122160, 126232, 141360, 142011, 145065, 154736, 157790, 174078, 183240, 189348, 193420, 212040, 232104, 236685, 252464, 284022, 290130, 299801, 315580, 348156, 366480, 378696, 386840, 424080, 435195, 464208, 473370, 568044, 580260, 599602, 631160, 696312, 710055, 757392, 773680, 870390, 899403, 946740, 1136088, 1160520, 1199204, 1262320, 1392624, 1420110, 1499005, 1740780, 1798806, 1893480, 2272176, 2321040, 2398408, 2698209, 2840220, 2998010, 3481560, 3597612, 3786960, 4497015, 4796816, 5396418, 5680440, 5996020, 6963120, 7195224, 8994030, 10792836, 11360880, 11992040, 13491045, 14390448, 17988060, 21585672, 23984080, 26982090, 35976120, 43171344, 53964180, 71952240, 107928360, 215856720]

約数ペア:

[(1, 215856720), (2, 107928360), (3, 71952240), (4, 53964180), (5, 43171344), (6, 35976120), (8, 26982090), (9, 23984080), (10, 21585672), (12, 17988060), (15, 14390448), (16, 13491045), (18, 11992040), (19, 11360880), (20, 10792836), (24, 8994030), (30, 7195224), (31, 6963120), (36, 5996020), (38, 5680440), (40, 5396418), (45, 4796816), (48, 4497015), (57, 3786960), (60, 3597612), (62, 3481560), (72, 2998010), (76, 2840220), (80, 2698209), (90, 2398408), (93, 2321040), (95, 2272176), (114, 1893480), (120, 1798806), (124, 1740780), (144, 1499005), (152, 1420110), (155, 1392624), (171, 1262320), (180, 1199204), (186, 1160520), (190, 1136088), (228, 946740), (240, 899403), (248, 870390), (279, 773680), (285, 757392), (304, 710055), (310, 696312), (342, 631160), (360, 599602), (372, 580260), (380, 568044), (456, 473370), (465, 464208), (496, 435195), (509, 424080), (558, 386840), (570, 378696), (589, 366480), (620, 348156), (684, 315580), (720, 299801), (744, 290130), (760, 284022), (855, 252464), (912, 236685), (930, 232104), (1018, 212040), (1116, 193420), (1140, 189348), (1178, 183240), (1240, 174078), (1368, 157790), (1395, 154736), (1488, 145065), (1520, 142011), (1527, 141360), (1710, 126232), (1767, 122160), (1860, 116052), (2036, 106020), (2232, 96710), (2280, 94674), (2356, 91620), (2480, 87039), (2545, 84816), (2736, 78895), (2790, 77368), (2945, 73296), (3054, 70680), (3420, 63116), (3534, 61080), (3720, 58026), (4072, 53010), (4464, 48355), (4560, 47337), (4581, 47120), (4712, 45810), (5090, 42408), (5301, 40720), (5580, 38684), (5890, 36648), (6108, 35340), (6840, 31558), (7068, 30540), (7440, 29013), (7635, 28272), (8144, 26505), (8835, 24432), (9162, 23560), (9424, 22905), (9671, 22320), (10180, 21204), (10602, 20360), (11160, 19342), (11780, 18324), (12216, 17670), (13680, 15779), (14136, 15270)]