72955540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 185149440

約数和(自身を除く): 112193900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 139, 140, 161, 163, 230, 278, 322, 326, 460, 556, 644, 652, 695, 805, 815, 973, 1141, 1390, 1610, 1630, 1946, 2282, 2780, 3197, 3220, 3260, 3749, 3892, 4564, 4865, 5705, 6394, 7498, 9730, 11410, 12788, 14996, 15985, 18745, 19460, 22379, 22657, 22820, 26243, 31970, 37490, 44758, 45314, 52486, 63940, 74980, 89516, 90628, 104972, 111895, 113285, 131215, 158599, 223790, 226570, 262430, 317198, 447580, 453140, 521111, 524860, 634396, 792995, 1042222, 1585990, 2084444, 2605555, 3171980, 3647777, 5211110, 7295554, 10422220, 14591108, 18238885, 36477770, 72955540]

約数ペア:

[(1, 72955540), (2, 36477770), (4, 18238885), (5, 14591108), (7, 10422220), (10, 7295554), (14, 5211110), (20, 3647777), (23, 3171980), (28, 2605555), (35, 2084444), (46, 1585990), (70, 1042222), (92, 792995), (115, 634396), (139, 524860), (140, 521111), (161, 453140), (163, 447580), (230, 317198), (278, 262430), (322, 226570), (326, 223790), (460, 158599), (556, 131215), (644, 113285), (652, 111895), (695, 104972), (805, 90628), (815, 89516), (973, 74980), (1141, 63940), (1390, 52486), (1610, 45314), (1630, 44758), (1946, 37490), (2282, 31970), (2780, 26243), (3197, 22820), (3220, 22657), (3260, 22379), (3749, 19460), (3892, 18745), (4564, 15985), (4865, 14996), (5705, 12788), (6394, 11410), (7498, 9730)]