72695480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 123259720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 130, 142, 143, 179, 220, 260, 284, 286, 355, 358, 440, 520, 568, 572, 710, 715, 716, 781, 895, 923, 1144, 1420, 1430, 1432, 1562, 1790, 1846, 1969, 2327, 2840, 2860, 3124, 3580, 3692, 3905, 3938, 4615, 4654, 5720, 6248, 7160, 7384, 7810, 7876, 9230, 9308, 9845, 10153, 11635, 12709, 15620, 15752, 18460, 18616, 19690, 20306, 23270, 25418, 25597, 31240, 36920, 39380, 40612, 46540, 50765, 50836, 51194, 63545, 78760, 81224, 93080, 101530, 101672, 102388, 127090, 127985, 139799, 165217, 203060, 204776, 254180, 255970, 279598, 330434, 406120, 508360, 511940, 559196, 660868, 698995, 826085, 1023880, 1118392, 1321736, 1397990, 1652170, 1817387, 2795980, 3304340, 3634774, 5591960, 6608680, 7269548, 9086935, 14539096, 18173870, 36347740, 72695480]

約数ペア:

[(1, 72695480), (2, 36347740), (4, 18173870), (5, 14539096), (8, 9086935), (10, 7269548), (11, 6608680), (13, 5591960), (20, 3634774), (22, 3304340), (26, 2795980), (40, 1817387), (44, 1652170), (52, 1397990), (55, 1321736), (65, 1118392), (71, 1023880), (88, 826085), (104, 698995), (110, 660868), (130, 559196), (142, 511940), (143, 508360), (179, 406120), (220, 330434), (260, 279598), (284, 255970), (286, 254180), (355, 204776), (358, 203060), (440, 165217), (520, 139799), (568, 127985), (572, 127090), (710, 102388), (715, 101672), (716, 101530), (781, 93080), (895, 81224), (923, 78760), (1144, 63545), (1420, 51194), (1430, 50836), (1432, 50765), (1562, 46540), (1790, 40612), (1846, 39380), (1969, 36920), (2327, 31240), (2840, 25597), (2860, 25418), (3124, 23270), (3580, 20306), (3692, 19690), (3905, 18616), (3938, 18460), (4615, 15752), (4654, 15620), (5720, 12709), (6248, 11635), (7160, 10153), (7384, 9845), (7810, 9308), (7876, 9230)]