72459400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 193932900

約数和(自身を除く): 121473500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 29, 31, 40, 50, 52, 58, 62, 65, 100, 104, 116, 124, 130, 145, 155, 200, 232, 248, 260, 290, 310, 325, 377, 403, 520, 580, 620, 650, 725, 754, 775, 806, 899, 961, 1160, 1240, 1300, 1450, 1508, 1550, 1612, 1798, 1885, 1922, 2015, 2600, 2900, 3016, 3100, 3224, 3596, 3770, 3844, 4030, 4495, 4805, 5800, 6200, 7192, 7540, 7688, 8060, 8990, 9425, 9610, 10075, 11687, 12493, 15080, 16120, 17980, 18850, 19220, 20150, 22475, 23374, 24025, 24986, 27869, 35960, 37700, 38440, 40300, 44950, 46748, 48050, 49972, 55738, 58435, 62465, 75400, 80600, 89900, 93496, 96100, 99944, 111476, 116870, 124930, 139345, 179800, 192200, 222952, 233740, 249860, 278690, 292175, 312325, 362297, 467480, 499720, 557380, 584350, 624650, 696725, 724594, 1114760, 1168700, 1249300, 1393450, 1449188, 1811485, 2337400, 2498600, 2786900, 2898376, 3622970, 5573800, 7245940, 9057425, 14491880, 18114850, 36229700, 72459400]

約数ペア:

[(1, 72459400), (2, 36229700), (4, 18114850), (5, 14491880), (8, 9057425), (10, 7245940), (13, 5573800), (20, 3622970), (25, 2898376), (26, 2786900), (29, 2498600), (31, 2337400), (40, 1811485), (50, 1449188), (52, 1393450), (58, 1249300), (62, 1168700), (65, 1114760), (100, 724594), (104, 696725), (116, 624650), (124, 584350), (130, 557380), (145, 499720), (155, 467480), (200, 362297), (232, 312325), (248, 292175), (260, 278690), (290, 249860), (310, 233740), (325, 222952), (377, 192200), (403, 179800), (520, 139345), (580, 124930), (620, 116870), (650, 111476), (725, 99944), (754, 96100), (775, 93496), (806, 89900), (899, 80600), (961, 75400), (1160, 62465), (1240, 58435), (1300, 55738), (1450, 49972), (1508, 48050), (1550, 46748), (1612, 44950), (1798, 40300), (1885, 38440), (1922, 37700), (2015, 35960), (2600, 27869), (2900, 24986), (3016, 24025), (3100, 23374), (3224, 22475), (3596, 20150), (3770, 19220), (3844, 18850), (4030, 17980), (4495, 16120), (4805, 15080), (5800, 12493), (6200, 11687), (7192, 10075), (7540, 9610), (7688, 9425), (8060, 8990)]