72440800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 191987712

約数和(自身を除く): 119546912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 80, 92, 100, 115, 124, 127, 155, 160, 184, 200, 230, 248, 254, 310, 368, 400, 460, 496, 508, 575, 620, 635, 713, 736, 775, 800, 920, 992, 1016, 1150, 1240, 1270, 1426, 1550, 1840, 2032, 2300, 2480, 2540, 2852, 2921, 3100, 3175, 3565, 3680, 3937, 4064, 4600, 4960, 5080, 5704, 5842, 6200, 6350, 7130, 7874, 9200, 10160, 11408, 11684, 12400, 12700, 14260, 14605, 15748, 17825, 18400, 19685, 20320, 22816, 23368, 24800, 25400, 28520, 29210, 31496, 35650, 39370, 46736, 50800, 57040, 58420, 62992, 71300, 73025, 78740, 90551, 93472, 98425, 101600, 114080, 116840, 125984, 142600, 146050, 157480, 181102, 196850, 233680, 285200, 292100, 314960, 362204, 393700, 452755, 467360, 570400, 584200, 629920, 724408, 787400, 905510, 1168400, 1448816, 1574800, 1811020, 2263775, 2336800, 2897632, 3149600, 3622040, 4527550, 7244080, 9055100, 14488160, 18110200, 36220400, 72440800]

約数ペア:

[(1, 72440800), (2, 36220400), (4, 18110200), (5, 14488160), (8, 9055100), (10, 7244080), (16, 4527550), (20, 3622040), (23, 3149600), (25, 2897632), (31, 2336800), (32, 2263775), (40, 1811020), (46, 1574800), (50, 1448816), (62, 1168400), (80, 905510), (92, 787400), (100, 724408), (115, 629920), (124, 584200), (127, 570400), (155, 467360), (160, 452755), (184, 393700), (200, 362204), (230, 314960), (248, 292100), (254, 285200), (310, 233680), (368, 196850), (400, 181102), (460, 157480), (496, 146050), (508, 142600), (575, 125984), (620, 116840), (635, 114080), (713, 101600), (736, 98425), (775, 93472), (800, 90551), (920, 78740), (992, 73025), (1016, 71300), (1150, 62992), (1240, 58420), (1270, 57040), (1426, 50800), (1550, 46736), (1840, 39370), (2032, 35650), (2300, 31496), (2480, 29210), (2540, 28520), (2852, 25400), (2921, 24800), (3100, 23368), (3175, 22816), (3565, 20320), (3680, 19685), (3937, 18400), (4064, 17825), (4600, 15748), (4960, 14605), (5080, 14260), (5704, 12700), (5842, 12400), (6200, 11684), (6350, 11408), (7130, 10160), (7874, 9200)]