15517320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 256

約数和(自身を含む): 60480000

約数和(自身を除く): 44962680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 49, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 98, 104, 105, 116, 120, 130, 140, 145, 147, 156, 168, 174, 182, 195, 196, 203, 210, 232, 245, 260, 273, 280, 290, 294, 312, 343, 348, 364, 377, 390, 392, 406, 420, 435, 455, 490, 520, 546, 580, 588, 609, 637, 686, 696, 728, 735, 754, 780, 812, 840, 870, 910, 980, 1015, 1029, 1092, 1131, 1160, 1176, 1218, 1274, 1365, 1372, 1421, 1470, 1508, 1560, 1624, 1715, 1740, 1820, 1885, 1911, 1960, 2030, 2058, 2184, 2262, 2436, 2548, 2639, 2730, 2744, 2842, 2940, 3016, 3045, 3185, 3430, 3480, 3640, 3770, 3822, 4060, 4116, 4263, 4459, 4524, 4872, 5096, 5145, 5278, 5460, 5655, 5684, 5880, 6090, 6370, 6860, 7105, 7540, 7644, 7917, 8120, 8232, 8526, 8918, 9048, 9555, 9947, 10290, 10556, 10920, 11310, 11368, 12180, 12740, 13195, 13377, 13720, 14210, 15080, 15288, 15834, 17052, 17836, 18473, 19110, 19894, 20580, 21112, 21315, 22295, 22620, 24360, 25480, 26390, 26754, 28420, 29841, 31668, 34104, 35672, 36946, 38220, 39585, 39788, 41160, 42630, 44590, 45240, 49735, 52780, 53508, 55419, 56840, 59682, 63336, 66885, 73892, 76440, 79170, 79576, 85260, 89180, 92365, 99470, 105560, 107016, 110838, 119364, 129311, 133770, 147784, 149205, 158340, 170520, 178360, 184730, 198940, 221676, 238728, 258622, 267540, 277095, 298410, 316680, 369460, 387933, 397880, 443352, 517244, 535080, 554190, 596820, 646555, 738920, 775866, 1034488, 1108380, 1193640, 1293110, 1551732, 1939665, 2216760, 2586220, 3103464, 3879330, 5172440, 7758660, 15517320]

約数ペア:

[(1, 15517320), (2, 7758660), (3, 5172440), (4, 3879330), (5, 3103464), (6, 2586220), (7, 2216760), (8, 1939665), (10, 1551732), (12, 1293110), (13, 1193640), (14, 1108380), (15, 1034488), (20, 775866), (21, 738920), (24, 646555), (26, 596820), (28, 554190), (29, 535080), (30, 517244), (35, 443352), (39, 397880), (40, 387933), (42, 369460), (49, 316680), (52, 298410), (56, 277095), (58, 267540), (60, 258622), (65, 238728), (70, 221676), (78, 198940), (84, 184730), (87, 178360), (91, 170520), (98, 158340), (104, 149205), (105, 147784), (116, 133770), (120, 129311), (130, 119364), (140, 110838), (145, 107016), (147, 105560), (156, 99470), (168, 92365), (174, 89180), (182, 85260), (195, 79576), (196, 79170), (203, 76440), (210, 73892), (232, 66885), (245, 63336), (260, 59682), (273, 56840), (280, 55419), (290, 53508), (294, 52780), (312, 49735), (343, 45240), (348, 44590), (364, 42630), (377, 41160), (390, 39788), (392, 39585), (406, 38220), (420, 36946), (435, 35672), (455, 34104), (490, 31668), (520, 29841), (546, 28420), (580, 26754), (588, 26390), (609, 25480), (637, 24360), (686, 22620), (696, 22295), (728, 21315), (735, 21112), (754, 20580), (780, 19894), (812, 19110), (840, 18473), (870, 17836), (910, 17052), (980, 15834), (1015, 15288), (1029, 15080), (1092, 14210), (1131, 13720), (1160, 13377), (1176, 13195), (1218, 12740), (1274, 12180), (1365, 11368), (1372, 11310), (1421, 10920), (1470, 10556), (1508, 10290), (1560, 9947), (1624, 9555), (1715, 9048), (1740, 8918), (1820, 8526), (1885, 8232), (1911, 8120), (1960, 7917), (2030, 7644), (2058, 7540), (2184, 7105), (2262, 6860), (2436, 6370), (2548, 6090), (2639, 5880), (2730, 5684), (2744, 5655), (2842, 5460), (2940, 5278), (3016, 5145), (3045, 5096), (3185, 4872), (3430, 4524), (3480, 4459), (3640, 4263), (3770, 4116), (3822, 4060)]