75984040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 200880000

約数和(自身を除く): 124895960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 61, 76, 88, 95, 110, 122, 149, 152, 190, 209, 220, 244, 298, 305, 380, 418, 440, 488, 596, 610, 671, 745, 760, 836, 1045, 1159, 1192, 1220, 1342, 1490, 1639, 1672, 2090, 2318, 2440, 2684, 2831, 2980, 3278, 3355, 4180, 4636, 5368, 5662, 5795, 5960, 6556, 6710, 8195, 8360, 9089, 9272, 11324, 11590, 12749, 13112, 13420, 14155, 16390, 18178, 22648, 23180, 25498, 26840, 28310, 31141, 32780, 36356, 45445, 46360, 50996, 56620, 62282, 63745, 65560, 72712, 90890, 99979, 101992, 113240, 124564, 127490, 155705, 172691, 181780, 199958, 249128, 254980, 311410, 345382, 363560, 399916, 499895, 509960, 622820, 690764, 799832, 863455, 999790, 1245640, 1381528, 1726910, 1899601, 1999580, 3453820, 3799202, 3999160, 6907640, 7598404, 9498005, 15196808, 18996010, 37992020, 75984040]

約数ペア:

[(1, 75984040), (2, 37992020), (4, 18996010), (5, 15196808), (8, 9498005), (10, 7598404), (11, 6907640), (19, 3999160), (20, 3799202), (22, 3453820), (38, 1999580), (40, 1899601), (44, 1726910), (55, 1381528), (61, 1245640), (76, 999790), (88, 863455), (95, 799832), (110, 690764), (122, 622820), (149, 509960), (152, 499895), (190, 399916), (209, 363560), (220, 345382), (244, 311410), (298, 254980), (305, 249128), (380, 199958), (418, 181780), (440, 172691), (488, 155705), (596, 127490), (610, 124564), (671, 113240), (745, 101992), (760, 99979), (836, 90890), (1045, 72712), (1159, 65560), (1192, 63745), (1220, 62282), (1342, 56620), (1490, 50996), (1639, 46360), (1672, 45445), (2090, 36356), (2318, 32780), (2440, 31141), (2684, 28310), (2831, 26840), (2980, 25498), (3278, 23180), (3355, 22648), (4180, 18178), (4636, 16390), (5368, 14155), (5662, 13420), (5795, 13112), (5960, 12749), (6556, 11590), (6710, 11324), (8195, 9272), (8360, 9089)]