77073880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 204120000

約数和(自身を除く): 127046120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 152, 190, 232, 247, 260, 269, 290, 377, 380, 494, 520, 538, 551, 580, 754, 760, 988, 1076, 1102, 1160, 1235, 1345, 1508, 1885, 1976, 2152, 2204, 2470, 2690, 2755, 3016, 3497, 3770, 4408, 4940, 5111, 5380, 5510, 6994, 7163, 7540, 7801, 9880, 10222, 10760, 11020, 13988, 14326, 15080, 15602, 17485, 20444, 22040, 25555, 27976, 28652, 31204, 34970, 35815, 39005, 40888, 51110, 57304, 62408, 66443, 69940, 71630, 78010, 101413, 102220, 132886, 139880, 143260, 148219, 156020, 202826, 204440, 265772, 286520, 296438, 312040, 332215, 405652, 507065, 531544, 592876, 664430, 741095, 811304, 1014130, 1185752, 1328860, 1482190, 1926847, 2028260, 2657720, 2964380, 3853694, 4056520, 5928760, 7707388, 9634235, 15414776, 19268470, 38536940, 77073880]

約数ペア:

[(1, 77073880), (2, 38536940), (4, 19268470), (5, 15414776), (8, 9634235), (10, 7707388), (13, 5928760), (19, 4056520), (20, 3853694), (26, 2964380), (29, 2657720), (38, 2028260), (40, 1926847), (52, 1482190), (58, 1328860), (65, 1185752), (76, 1014130), (95, 811304), (104, 741095), (116, 664430), (130, 592876), (145, 531544), (152, 507065), (190, 405652), (232, 332215), (247, 312040), (260, 296438), (269, 286520), (290, 265772), (377, 204440), (380, 202826), (494, 156020), (520, 148219), (538, 143260), (551, 139880), (580, 132886), (754, 102220), (760, 101413), (988, 78010), (1076, 71630), (1102, 69940), (1160, 66443), (1235, 62408), (1345, 57304), (1508, 51110), (1885, 40888), (1976, 39005), (2152, 35815), (2204, 34970), (2470, 31204), (2690, 28652), (2755, 27976), (3016, 25555), (3497, 22040), (3770, 20444), (4408, 17485), (4940, 15602), (5111, 15080), (5380, 14326), (5510, 13988), (6994, 11020), (7163, 10760), (7540, 10222), (7801, 9880)]