77370280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 125842520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 41, 52, 65, 76, 82, 95, 104, 130, 152, 164, 190, 191, 205, 247, 260, 328, 380, 382, 410, 494, 520, 533, 760, 764, 779, 820, 955, 988, 1066, 1235, 1528, 1558, 1640, 1910, 1976, 2132, 2470, 2483, 2665, 3116, 3629, 3820, 3895, 4264, 4940, 4966, 5330, 6232, 7258, 7640, 7790, 7831, 9880, 9932, 10127, 10660, 12415, 14516, 15580, 15662, 18145, 19864, 20254, 21320, 24830, 29032, 31160, 31324, 36290, 39155, 40508, 47177, 49660, 50635, 62648, 72580, 78310, 81016, 94354, 99320, 101270, 101803, 145160, 148789, 156620, 188708, 202540, 203606, 235885, 297578, 313240, 377416, 405080, 407212, 471770, 509015, 595156, 743945, 814424, 943540, 1018030, 1190312, 1487890, 1887080, 1934257, 2036060, 2975780, 3868514, 4072120, 5951560, 7737028, 9671285, 15474056, 19342570, 38685140, 77370280]

約数ペア:

[(1, 77370280), (2, 38685140), (4, 19342570), (5, 15474056), (8, 9671285), (10, 7737028), (13, 5951560), (19, 4072120), (20, 3868514), (26, 2975780), (38, 2036060), (40, 1934257), (41, 1887080), (52, 1487890), (65, 1190312), (76, 1018030), (82, 943540), (95, 814424), (104, 743945), (130, 595156), (152, 509015), (164, 471770), (190, 407212), (191, 405080), (205, 377416), (247, 313240), (260, 297578), (328, 235885), (380, 203606), (382, 202540), (410, 188708), (494, 156620), (520, 148789), (533, 145160), (760, 101803), (764, 101270), (779, 99320), (820, 94354), (955, 81016), (988, 78310), (1066, 72580), (1235, 62648), (1528, 50635), (1558, 49660), (1640, 47177), (1910, 40508), (1976, 39155), (2132, 36290), (2470, 31324), (2483, 31160), (2665, 29032), (3116, 24830), (3629, 21320), (3820, 20254), (3895, 19864), (4264, 18145), (4940, 15662), (4966, 15580), (5330, 14516), (6232, 12415), (7258, 10660), (7640, 10127), (7790, 9932), (7831, 9880)]