65720772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 108

約数和(自身を含む): 189303660

約数和(自身を除く): 123582888

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 361, 389, 468, 494, 684, 722, 741, 778, 988, 1083, 1167, 1444, 1482, 1556, 2166, 2223, 2334, 2964, 3249, 3501, 4332, 4446, 4668, 4693, 5057, 6498, 7002, 7391, 8892, 9386, 10114, 12996, 14004, 14079, 14782, 15171, 18772, 20228, 22173, 28158, 29564, 30342, 42237, 44346, 45513, 56316, 60684, 66519, 84474, 88692, 91026, 96083, 133038, 140429, 168948, 182052, 192166, 266076, 280858, 288249, 384332, 421287, 561716, 576498, 842574, 864747, 1152996, 1263861, 1685148, 1729494, 1825577, 2527722, 3458988, 3651154, 5055444, 5476731, 7302308, 10953462, 16430193, 21906924, 32860386, 65720772]

約数ペア:

[(1, 65720772), (2, 32860386), (3, 21906924), (4, 16430193), (6, 10953462), (9, 7302308), (12, 5476731), (13, 5055444), (18, 3651154), (19, 3458988), (26, 2527722), (36, 1825577), (38, 1729494), (39, 1685148), (52, 1263861), (57, 1152996), (76, 864747), (78, 842574), (114, 576498), (117, 561716), (156, 421287), (171, 384332), (228, 288249), (234, 280858), (247, 266076), (342, 192166), (361, 182052), (389, 168948), (468, 140429), (494, 133038), (684, 96083), (722, 91026), (741, 88692), (778, 84474), (988, 66519), (1083, 60684), (1167, 56316), (1444, 45513), (1482, 44346), (1556, 42237), (2166, 30342), (2223, 29564), (2334, 28158), (2964, 22173), (3249, 20228), (3501, 18772), (4332, 15171), (4446, 14782), (4668, 14079), (4693, 14004), (5057, 12996), (6498, 10114), (7002, 9386), (7391, 8892)]