55478480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 145417032

約数和(自身を除く): 89938552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 113, 136, 152, 170, 190, 226, 272, 304, 323, 340, 361, 380, 452, 565, 646, 680, 722, 760, 904, 1130, 1292, 1360, 1444, 1520, 1615, 1805, 1808, 1921, 2147, 2260, 2584, 2888, 3230, 3610, 3842, 4294, 4520, 5168, 5776, 6137, 6460, 7220, 7684, 8588, 9040, 9605, 10735, 12274, 12920, 14440, 15368, 17176, 19210, 21470, 24548, 25840, 28880, 30685, 30736, 34352, 36499, 38420, 40793, 42940, 49096, 61370, 72998, 76840, 81586, 85880, 98192, 122740, 145996, 153680, 163172, 171760, 182495, 203965, 245480, 291992, 326344, 364990, 407930, 490960, 583984, 652688, 693481, 729980, 815860, 1386962, 1459960, 1631720, 2773924, 2919920, 3263440, 3467405, 5547848, 6934810, 11095696, 13869620, 27739240, 55478480]

約数ペア:

[(1, 55478480), (2, 27739240), (4, 13869620), (5, 11095696), (8, 6934810), (10, 5547848), (16, 3467405), (17, 3263440), (19, 2919920), (20, 2773924), (34, 1631720), (38, 1459960), (40, 1386962), (68, 815860), (76, 729980), (80, 693481), (85, 652688), (95, 583984), (113, 490960), (136, 407930), (152, 364990), (170, 326344), (190, 291992), (226, 245480), (272, 203965), (304, 182495), (323, 171760), (340, 163172), (361, 153680), (380, 145996), (452, 122740), (565, 98192), (646, 85880), (680, 81586), (722, 76840), (760, 72998), (904, 61370), (1130, 49096), (1292, 42940), (1360, 40793), (1444, 38420), (1520, 36499), (1615, 34352), (1805, 30736), (1808, 30685), (1921, 28880), (2147, 25840), (2260, 24548), (2584, 21470), (2888, 19210), (3230, 17176), (3610, 15368), (3842, 14440), (4294, 12920), (4520, 12274), (5168, 10735), (5776, 9605), (6137, 9040), (6460, 8588), (7220, 7684)]