74979080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 124086520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 184, 220, 230, 239, 248, 253, 310, 341, 440, 460, 478, 506, 620, 682, 713, 920, 956, 1012, 1195, 1240, 1265, 1364, 1426, 1705, 1912, 2024, 2390, 2530, 2629, 2728, 2852, 3410, 3565, 4780, 5060, 5258, 5497, 5704, 6820, 7130, 7409, 7843, 9560, 10120, 10516, 10994, 13145, 13640, 14260, 14818, 15686, 21032, 21988, 26290, 27485, 28520, 29636, 31372, 37045, 39215, 43976, 52580, 54970, 59272, 60467, 62744, 74090, 78430, 81499, 105160, 109940, 120934, 148180, 156860, 162998, 170407, 219880, 241868, 296360, 302335, 313720, 325996, 340814, 407495, 483736, 604670, 651992, 681628, 814990, 852035, 1209340, 1363256, 1629980, 1704070, 1874477, 2418680, 3259960, 3408140, 3748954, 6816280, 7497908, 9372385, 14995816, 18744770, 37489540, 74979080]

約数ペア:

[(1, 74979080), (2, 37489540), (4, 18744770), (5, 14995816), (8, 9372385), (10, 7497908), (11, 6816280), (20, 3748954), (22, 3408140), (23, 3259960), (31, 2418680), (40, 1874477), (44, 1704070), (46, 1629980), (55, 1363256), (62, 1209340), (88, 852035), (92, 814990), (110, 681628), (115, 651992), (124, 604670), (155, 483736), (184, 407495), (220, 340814), (230, 325996), (239, 313720), (248, 302335), (253, 296360), (310, 241868), (341, 219880), (440, 170407), (460, 162998), (478, 156860), (506, 148180), (620, 120934), (682, 109940), (713, 105160), (920, 81499), (956, 78430), (1012, 74090), (1195, 62744), (1240, 60467), (1265, 59272), (1364, 54970), (1426, 52580), (1705, 43976), (1912, 39215), (2024, 37045), (2390, 31372), (2530, 29636), (2629, 28520), (2728, 27485), (2852, 26290), (3410, 21988), (3565, 21032), (4780, 15686), (5060, 14818), (5258, 14260), (5497, 13640), (5704, 13145), (6820, 10994), (7130, 10516), (7409, 10120), (7843, 9560)]