15019965480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1\times {\mathrm{4831}}^1$

素因数の和:6851

約数の個数: 128

約数和(自身を含む): 48560440320

約数和(自身を除く): 33540474840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1993, 3986, 4831, 5979, 7972, 9662, 9965, 11958, 14493, 15944, 19324, 19930, 23916, 24155, 25909, 28986, 29895, 38648, 39860, 47832, 48310, 51818, 57972, 59790, 62803, 72465, 77727, 79720, 96620, 103636, 115944, 119580, 125606, 129545, 144930, 155454, 188409, 193240, 207272, 239160, 251212, 259090, 289860, 310908, 314015, 376818, 388635, 502424, 518180, 579720, 621816, 628030, 753636, 777270, 942045, 1036360, 1256060, 1507272, 1554540, 1884090, 2512120, 3109080, 3768180, 7536360, 9628183, 19256366, 28884549, 38512732, 48140915, 57769098, 77025464, 96281830, 115538196, 125166379, 144422745, 192563660, 231076392, 250332758, 288845490, 375499137, 385127320, 500665516, 577690980, 625831895, 750998274, 1001331032, 1155381960, 1251663790, 1501996548, 1877495685, 2503327580, 3003993096, 3754991370, 5006655160, 7509982740, 15019965480]

約数ペア:

[(1, 15019965480), (2, 7509982740), (3, 5006655160), (4, 3754991370), (5, 3003993096), (6, 2503327580), (8, 1877495685), (10, 1501996548), (12, 1251663790), (13, 1155381960), (15, 1001331032), (20, 750998274), (24, 625831895), (26, 577690980), (30, 500665516), (39, 385127320), (40, 375499137), (52, 288845490), (60, 250332758), (65, 231076392), (78, 192563660), (104, 144422745), (120, 125166379), (130, 115538196), (156, 96281830), (195, 77025464), (260, 57769098), (312, 48140915), (390, 38512732), (520, 28884549), (780, 19256366), (1560, 9628183), (1993, 7536360), (3986, 3768180), (4831, 3109080), (5979, 2512120), (7972, 1884090), (9662, 1554540), (9965, 1507272), (11958, 1256060), (14493, 1036360), (15944, 942045), (19324, 777270), (19930, 753636), (23916, 628030), (24155, 621816), (25909, 579720), (28986, 518180), (29895, 502424), (38648, 388635), (39860, 376818), (47832, 314015), (48310, 310908), (51818, 289860), (57972, 259090), (59790, 251212), (62803, 239160), (72465, 207272), (77727, 193240), (79720, 188409), (96620, 155454), (103636, 144930), (115944, 129545), (119580, 125606)]