1248255920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 3214080000

約数和(自身を除く): 1965824080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 59, 62, 76, 80, 95, 118, 124, 152, 155, 190, 236, 248, 295, 304, 310, 380, 449, 472, 496, 589, 590, 620, 760, 898, 944, 1121, 1178, 1180, 1240, 1520, 1796, 1829, 2242, 2245, 2356, 2360, 2480, 2945, 3592, 3658, 4484, 4490, 4712, 4720, 5605, 5890, 7184, 7316, 8531, 8968, 8980, 9145, 9424, 11210, 11780, 13919, 14632, 17062, 17936, 17960, 18290, 22420, 23560, 26491, 27838, 29264, 34124, 34751, 35920, 36580, 42655, 44840, 47120, 52982, 55676, 68248, 69502, 69595, 73160, 85310, 89680, 105964, 111352, 132455, 136496, 139004, 139190, 146320, 170620, 173755, 211928, 222704, 264461, 264910, 278008, 278380, 341240, 347510, 423856, 503329, 528922, 529820, 556016, 556760, 682480, 695020, 821221, 1006658, 1057844, 1059640, 1113520, 1322305, 1390040, 1642442, 2013316, 2115688, 2119280, 2516645, 2644610, 2780080, 3284884, 4026632, 4106105, 4231376, 5033290, 5289220, 6569768, 8053264, 8212210, 10066580, 10578440, 13139536, 15603199, 16424420, 20133160, 21156880, 31206398, 32848840, 40266320, 62412796, 65697680, 78015995, 124825592, 156031990, 249651184, 312063980, 624127960, 1248255920]

約数ペア:

[(1, 1248255920), (2, 624127960), (4, 312063980), (5, 249651184), (8, 156031990), (10, 124825592), (16, 78015995), (19, 65697680), (20, 62412796), (31, 40266320), (38, 32848840), (40, 31206398), (59, 21156880), (62, 20133160), (76, 16424420), (80, 15603199), (95, 13139536), (118, 10578440), (124, 10066580), (152, 8212210), (155, 8053264), (190, 6569768), (236, 5289220), (248, 5033290), (295, 4231376), (304, 4106105), (310, 4026632), (380, 3284884), (449, 2780080), (472, 2644610), (496, 2516645), (589, 2119280), (590, 2115688), (620, 2013316), (760, 1642442), (898, 1390040), (944, 1322305), (1121, 1113520), (1178, 1059640), (1180, 1057844), (1240, 1006658), (1520, 821221), (1796, 695020), (1829, 682480), (2242, 556760), (2245, 556016), (2356, 529820), (2360, 528922), (2480, 503329), (2945, 423856), (3592, 347510), (3658, 341240), (4484, 278380), (4490, 278008), (4712, 264910), (4720, 264461), (5605, 222704), (5890, 211928), (7184, 173755), (7316, 170620), (8531, 146320), (8968, 139190), (8980, 139004), (9145, 136496), (9424, 132455), (11210, 111352), (11780, 105964), (13919, 89680), (14632, 85310), (17062, 73160), (17936, 69595), (17960, 69502), (18290, 68248), (22420, 55676), (23560, 52982), (26491, 47120), (27838, 44840), (29264, 42655), (34124, 36580), (34751, 35920)]