64728972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1276

約数の個数: 144

約数和(自身を含む): 214905600

約数和(自身を除く): 150176628

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 532, 627, 684, 693, 798, 836, 924, 1197, 1229, 1254, 1386, 1463, 1596, 1881, 2394, 2458, 2508, 2772, 2926, 3687, 3762, 4389, 4788, 4916, 5852, 7374, 7524, 8603, 8778, 11061, 13167, 13519, 14748, 17206, 17556, 22122, 23351, 25809, 26334, 27038, 34412, 40557, 44244, 46702, 51618, 52668, 54076, 70053, 77427, 81114, 93404, 94633, 103236, 121671, 140106, 154854, 162228, 163457, 189266, 210159, 243342, 256861, 280212, 283899, 309708, 326914, 378532, 420318, 486684, 490371, 513722, 567798, 653828, 770583, 840636, 851697, 980742, 1027444, 1135596, 1471113, 1541166, 1703394, 1798027, 1961484, 2311749, 2942226, 3082332, 3406788, 3596054, 4623498, 5394081, 5884452, 7192108, 9246996, 10788162, 16182243, 21576324, 32364486, 64728972]

約数ペア:

[(1, 64728972), (2, 32364486), (3, 21576324), (4, 16182243), (6, 10788162), (7, 9246996), (9, 7192108), (11, 5884452), (12, 5394081), (14, 4623498), (18, 3596054), (19, 3406788), (21, 3082332), (22, 2942226), (28, 2311749), (33, 1961484), (36, 1798027), (38, 1703394), (42, 1541166), (44, 1471113), (57, 1135596), (63, 1027444), (66, 980742), (76, 851697), (77, 840636), (84, 770583), (99, 653828), (114, 567798), (126, 513722), (132, 490371), (133, 486684), (154, 420318), (171, 378532), (198, 326914), (209, 309708), (228, 283899), (231, 280212), (252, 256861), (266, 243342), (308, 210159), (342, 189266), (396, 163457), (399, 162228), (418, 154854), (462, 140106), (532, 121671), (627, 103236), (684, 94633), (693, 93404), (798, 81114), (836, 77427), (924, 70053), (1197, 54076), (1229, 52668), (1254, 51618), (1386, 46702), (1463, 44244), (1596, 40557), (1881, 34412), (2394, 27038), (2458, 26334), (2508, 25809), (2772, 23351), (2926, 22122), (3687, 17556), (3762, 17206), (4389, 14748), (4788, 13519), (4916, 13167), (5852, 11061), (7374, 8778), (7524, 8603)]