15905668480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:889

約数の個数: 256

約数和(自身を含む): 42837258240

約数和(自身を除く): 26931589760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 83, 104, 124, 128, 130, 155, 160, 166, 208, 248, 260, 310, 320, 332, 403, 415, 416, 496, 520, 620, 640, 664, 743, 806, 830, 832, 992, 1040, 1079, 1240, 1328, 1486, 1612, 1660, 1664, 1984, 2015, 2080, 2158, 2480, 2573, 2656, 2972, 3224, 3320, 3715, 3968, 4030, 4160, 4316, 4960, 5146, 5312, 5395, 5944, 6448, 6640, 7430, 8060, 8320, 8632, 9659, 9920, 10292, 10624, 10790, 11888, 12865, 12896, 13280, 14860, 16120, 17264, 19318, 19840, 20584, 21580, 23033, 23776, 25730, 25792, 26560, 29720, 32240, 33449, 34528, 38636, 41168, 43160, 46066, 47552, 48295, 51460, 51584, 53120, 59440, 61669, 64480, 66898, 69056, 77272, 82336, 86320, 92132, 95104, 96590, 102920, 115165, 118880, 123338, 128960, 133796, 138112, 154544, 164672, 167245, 172640, 184264, 193180, 205840, 230330, 237760, 246676, 257920, 267592, 299429, 308345, 309088, 329344, 334490, 345280, 368528, 386360, 411680, 460660, 475520, 493352, 535184, 598858, 616690, 618176, 668980, 690560, 737056, 772720, 801697, 823360, 921320, 986704, 1070368, 1197716, 1233380, 1236352, 1337960, 1474112, 1497145, 1545440, 1603394, 1646720, 1842640, 1911739, 1973408, 2140736, 2395432, 2466760, 2675920, 2948224, 2994290, 3090880, 3206788, 3685280, 3823478, 3946816, 4008485, 4281472, 4790864, 4933520, 5351840, 5988580, 6181760, 6413576, 7370560, 7646956, 7893632, 8016970, 9558695, 9581728, 9867040, 10703680, 11977160, 12827152, 14741120, 15293912, 16033940, 19117390, 19163456, 19734080, 21407360, 23954320, 24852607, 25654304, 30587824, 32067880, 38234780, 38326912, 39468160, 47908640, 49705214, 51308608, 61175648, 64135760, 76469560, 95817280, 99410428, 102617216, 122351296, 124263035, 128271520, 152939120, 191634560, 198820856, 244702592, 248526070, 256543040, 305878240, 397641712, 497052140, 513086080, 611756480, 795283424, 994104280, 1223512960, 1590566848, 1988208560, 3181133696, 3976417120, 7952834240, 15905668480]

約数ペア:

[(1, 15905668480), (2, 7952834240), (4, 3976417120), (5, 3181133696), (8, 1988208560), (10, 1590566848), (13, 1223512960), (16, 994104280), (20, 795283424), (26, 611756480), (31, 513086080), (32, 497052140), (40, 397641712), (52, 305878240), (62, 256543040), (64, 248526070), (65, 244702592), (80, 198820856), (83, 191634560), (104, 152939120), (124, 128271520), (128, 124263035), (130, 122351296), (155, 102617216), (160, 99410428), (166, 95817280), (208, 76469560), (248, 64135760), (260, 61175648), (310, 51308608), (320, 49705214), (332, 47908640), (403, 39468160), (415, 38326912), (416, 38234780), (496, 32067880), (520, 30587824), (620, 25654304), (640, 24852607), (664, 23954320), (743, 21407360), (806, 19734080), (830, 19163456), (832, 19117390), (992, 16033940), (1040, 15293912), (1079, 14741120), (1240, 12827152), (1328, 11977160), (1486, 10703680), (1612, 9867040), (1660, 9581728), (1664, 9558695), (1984, 8016970), (2015, 7893632), (2080, 7646956), (2158, 7370560), (2480, 6413576), (2573, 6181760), (2656, 5988580), (2972, 5351840), (3224, 4933520), (3320, 4790864), (3715, 4281472), (3968, 4008485), (4030, 3946816), (4160, 3823478), (4316, 3685280), (4960, 3206788), (5146, 3090880), (5312, 2994290), (5395, 2948224), (5944, 2675920), (6448, 2466760), (6640, 2395432), (7430, 2140736), (8060, 1973408), (8320, 1911739), (8632, 1842640), (9659, 1646720), (9920, 1603394), (10292, 1545440), (10624, 1497145), (10790, 1474112), (11888, 1337960), (12865, 1236352), (12896, 1233380), (13280, 1197716), (14860, 1070368), (16120, 986704), (17264, 921320), (19318, 823360), (19840, 801697), (20584, 772720), (21580, 737056), (23033, 690560), (23776, 668980), (25730, 618176), (25792, 616690), (26560, 598858), (29720, 535184), (32240, 493352), (33449, 475520), (34528, 460660), (38636, 411680), (41168, 386360), (43160, 368528), (46066, 345280), (47552, 334490), (48295, 329344), (51460, 309088), (51584, 308345), (53120, 299429), (59440, 267592), (61669, 257920), (64480, 246676), (66898, 237760), (69056, 230330), (77272, 205840), (82336, 193180), (86320, 184264), (92132, 172640), (95104, 167245), (96590, 164672), (102920, 154544), (115165, 138112), (118880, 133796), (123338, 128960)]