72186420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 225283968

約数和(自身を除く): 153097548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 181, 204, 230, 255, 276, 289, 340, 345, 362, 391, 460, 510, 543, 578, 690, 724, 782, 867, 905, 1020, 1086, 1156, 1173, 1380, 1445, 1564, 1734, 1810, 1955, 2172, 2346, 2715, 2890, 3077, 3468, 3620, 3910, 4163, 4335, 4692, 5430, 5780, 5865, 6154, 6647, 7820, 8326, 8670, 9231, 10860, 11730, 12308, 12489, 13294, 15385, 16652, 17340, 18462, 19941, 20815, 23460, 24978, 26588, 30770, 33235, 36924, 39882, 41630, 46155, 49956, 52309, 61540, 62445, 66470, 70771, 79764, 83260, 92310, 99705, 104618, 124890, 132940, 141542, 156927, 184620, 199410, 209236, 212313, 249780, 261545, 283084, 313854, 353855, 398820, 424626, 523090, 627708, 707710, 784635, 849252, 1046180, 1061565, 1203107, 1415420, 1569270, 2123130, 2406214, 3138540, 3609321, 4246260, 4812428, 6015535, 7218642, 12031070, 14437284, 18046605, 24062140, 36093210, 72186420]

約数ペア:

[(1, 72186420), (2, 36093210), (3, 24062140), (4, 18046605), (5, 14437284), (6, 12031070), (10, 7218642), (12, 6015535), (15, 4812428), (17, 4246260), (20, 3609321), (23, 3138540), (30, 2406214), (34, 2123130), (46, 1569270), (51, 1415420), (60, 1203107), (68, 1061565), (69, 1046180), (85, 849252), (92, 784635), (102, 707710), (115, 627708), (138, 523090), (170, 424626), (181, 398820), (204, 353855), (230, 313854), (255, 283084), (276, 261545), (289, 249780), (340, 212313), (345, 209236), (362, 199410), (391, 184620), (460, 156927), (510, 141542), (543, 132940), (578, 124890), (690, 104618), (724, 99705), (782, 92310), (867, 83260), (905, 79764), (1020, 70771), (1086, 66470), (1156, 62445), (1173, 61540), (1380, 52309), (1445, 49956), (1564, 46155), (1734, 41630), (1810, 39882), (1955, 36924), (2172, 33235), (2346, 30770), (2715, 26588), (2890, 24978), (3077, 23460), (3468, 20815), (3620, 19941), (3910, 18462), (4163, 17340), (4335, 16652), (4692, 15385), (5430, 13294), (5780, 12489), (5865, 12308), (6154, 11730), (6647, 10860), (7820, 9231), (8326, 8670)]