77891640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 170940360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 127, 152, 190, 228, 254, 269, 285, 380, 381, 456, 508, 538, 570, 635, 760, 762, 807, 1016, 1076, 1140, 1270, 1345, 1524, 1614, 1905, 2152, 2280, 2413, 2540, 2690, 3048, 3228, 3810, 4035, 4826, 5080, 5111, 5380, 6456, 7239, 7620, 8070, 9652, 10222, 10760, 12065, 14478, 15240, 15333, 16140, 19304, 20444, 24130, 25555, 28956, 30666, 32280, 34163, 36195, 40888, 48260, 51110, 57912, 61332, 68326, 72390, 76665, 96520, 102220, 102489, 122664, 136652, 144780, 153330, 170815, 204440, 204978, 273304, 289560, 306660, 341630, 409956, 512445, 613320, 649097, 683260, 819912, 1024890, 1298194, 1366520, 1947291, 2049780, 2596388, 3245485, 3894582, 4099560, 5192776, 6490970, 7789164, 9736455, 12981940, 15578328, 19472910, 25963880, 38945820, 77891640]

約数ペア:

[(1, 77891640), (2, 38945820), (3, 25963880), (4, 19472910), (5, 15578328), (6, 12981940), (8, 9736455), (10, 7789164), (12, 6490970), (15, 5192776), (19, 4099560), (20, 3894582), (24, 3245485), (30, 2596388), (38, 2049780), (40, 1947291), (57, 1366520), (60, 1298194), (76, 1024890), (95, 819912), (114, 683260), (120, 649097), (127, 613320), (152, 512445), (190, 409956), (228, 341630), (254, 306660), (269, 289560), (285, 273304), (380, 204978), (381, 204440), (456, 170815), (508, 153330), (538, 144780), (570, 136652), (635, 122664), (760, 102489), (762, 102220), (807, 96520), (1016, 76665), (1076, 72390), (1140, 68326), (1270, 61332), (1345, 57912), (1524, 51110), (1614, 48260), (1905, 40888), (2152, 36195), (2280, 34163), (2413, 32280), (2540, 30666), (2690, 28956), (3048, 25555), (3228, 24130), (3810, 20444), (4035, 19304), (4826, 16140), (5080, 15333), (5111, 15240), (5380, 14478), (6456, 12065), (7239, 10760), (7620, 10222), (8070, 9652)]