15205320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:74

約数の個数: 240

約数和(自身を含む): 58087260

約数和(自身を除く): 42881940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 81, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 162, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 324, 342, 351, 360, 361, 380, 390, 405, 456, 468, 494, 513, 520, 540, 570, 585, 648, 684, 702, 722, 741, 760, 780, 810, 855, 936, 988, 1026, 1053, 1080, 1083, 1140, 1170, 1235, 1368, 1404, 1444, 1482, 1539, 1560, 1620, 1710, 1755, 1805, 1976, 2052, 2106, 2166, 2223, 2280, 2340, 2470, 2565, 2808, 2888, 2964, 3078, 3240, 3249, 3420, 3510, 3610, 3705, 4104, 4212, 4332, 4446, 4680, 4693, 4940, 5130, 5265, 5415, 5928, 6156, 6498, 6669, 6840, 7020, 7220, 7410, 7695, 8424, 8664, 8892, 9386, 9747, 9880, 10260, 10530, 10830, 11115, 12312, 12996, 13338, 14040, 14079, 14440, 14820, 15390, 16245, 17784, 18772, 19494, 20007, 20520, 21060, 21660, 22230, 23465, 25992, 26676, 28158, 29241, 29640, 30780, 32490, 33345, 37544, 38988, 40014, 42120, 42237, 43320, 44460, 46930, 48735, 53352, 56316, 58482, 61560, 64980, 66690, 70395, 77976, 80028, 84474, 88920, 93860, 97470, 100035, 112632, 116964, 126711, 129960, 133380, 140790, 146205, 160056, 168948, 187720, 194940, 200070, 211185, 233928, 253422, 266760, 281580, 292410, 337896, 380133, 389880, 400140, 422370, 506844, 563160, 584820, 633555, 760266, 800280, 844740, 1013688, 1169640, 1267110, 1520532, 1689480, 1900665, 2534220, 3041064, 3801330, 5068440, 7602660, 15205320]

約数ペア:

[(1, 15205320), (2, 7602660), (3, 5068440), (4, 3801330), (5, 3041064), (6, 2534220), (8, 1900665), (9, 1689480), (10, 1520532), (12, 1267110), (13, 1169640), (15, 1013688), (18, 844740), (19, 800280), (20, 760266), (24, 633555), (26, 584820), (27, 563160), (30, 506844), (36, 422370), (38, 400140), (39, 389880), (40, 380133), (45, 337896), (52, 292410), (54, 281580), (57, 266760), (60, 253422), (65, 233928), (72, 211185), (76, 200070), (78, 194940), (81, 187720), (90, 168948), (95, 160056), (104, 146205), (108, 140790), (114, 133380), (117, 129960), (120, 126711), (130, 116964), (135, 112632), (152, 100035), (156, 97470), (162, 93860), (171, 88920), (180, 84474), (190, 80028), (195, 77976), (216, 70395), (228, 66690), (234, 64980), (247, 61560), (260, 58482), (270, 56316), (285, 53352), (312, 48735), (324, 46930), (342, 44460), (351, 43320), (360, 42237), (361, 42120), (380, 40014), (390, 38988), (405, 37544), (456, 33345), (468, 32490), (494, 30780), (513, 29640), (520, 29241), (540, 28158), (570, 26676), (585, 25992), (648, 23465), (684, 22230), (702, 21660), (722, 21060), (741, 20520), (760, 20007), (780, 19494), (810, 18772), (855, 17784), (936, 16245), (988, 15390), (1026, 14820), (1053, 14440), (1080, 14079), (1083, 14040), (1140, 13338), (1170, 12996), (1235, 12312), (1368, 11115), (1404, 10830), (1444, 10530), (1482, 10260), (1539, 9880), (1560, 9747), (1620, 9386), (1710, 8892), (1755, 8664), (1805, 8424), (1976, 7695), (2052, 7410), (2106, 7220), (2166, 7020), (2223, 6840), (2280, 6669), (2340, 6498), (2470, 6156), (2565, 5928), (2808, 5415), (2888, 5265), (2964, 5130), (3078, 4940), (3240, 4693), (3249, 4680), (3420, 4446), (3510, 4332), (3610, 4212), (3705, 4104)]