1640280070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:950

約数の個数: 128

約数和(自身を含む): 3705730560

約数和(自身を除く): 2065450490

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 73, 95, 110, 130, 143, 146, 190, 209, 247, 286, 365, 418, 494, 715, 730, 803, 827, 949, 1045, 1235, 1387, 1430, 1606, 1654, 1898, 2090, 2470, 2717, 2774, 4015, 4135, 4745, 5434, 6935, 8030, 8270, 9097, 9490, 10439, 10751, 13585, 13870, 15257, 15713, 18031, 18194, 20878, 21502, 27170, 30514, 31426, 36062, 45485, 52195, 53755, 60371, 76285, 78565, 90155, 90970, 104390, 107510, 118261, 120742, 152570, 157130, 172843, 180310, 198341, 204269, 236522, 301855, 345686, 396682, 408538, 591305, 603710, 664081, 784823, 864215, 991705, 1021345, 1147049, 1182610, 1328162, 1569646, 1728430, 1983410, 2042690, 2246959, 2294098, 3320405, 3924115, 4493918, 5735245, 6640810, 7848230, 8633053, 11234795, 11470490, 12617539, 14911637, 17266106, 22469590, 25235078, 29823274, 43165265, 63087695, 74558185, 86330530, 126175390, 149116370, 164028007, 328056014, 820140035, 1640280070]

約数ペア:

[(1, 1640280070), (2, 820140035), (5, 328056014), (10, 164028007), (11, 149116370), (13, 126175390), (19, 86330530), (22, 74558185), (26, 63087695), (38, 43165265), (55, 29823274), (65, 25235078), (73, 22469590), (95, 17266106), (110, 14911637), (130, 12617539), (143, 11470490), (146, 11234795), (190, 8633053), (209, 7848230), (247, 6640810), (286, 5735245), (365, 4493918), (418, 3924115), (494, 3320405), (715, 2294098), (730, 2246959), (803, 2042690), (827, 1983410), (949, 1728430), (1045, 1569646), (1235, 1328162), (1387, 1182610), (1430, 1147049), (1606, 1021345), (1654, 991705), (1898, 864215), (2090, 784823), (2470, 664081), (2717, 603710), (2774, 591305), (4015, 408538), (4135, 396682), (4745, 345686), (5434, 301855), (6935, 236522), (8030, 204269), (8270, 198341), (9097, 180310), (9490, 172843), (10439, 157130), (10751, 152570), (13585, 120742), (13870, 118261), (15257, 107510), (15713, 104390), (18031, 90970), (18194, 90155), (20878, 78565), (21502, 76285), (27170, 60371), (30514, 53755), (31426, 52195), (36062, 45485)]