1490951640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{40471}}^1$

素因数の和:40792

約数の個数: 64

約数和(自身を含む): 4487535360

約数和(自身を除く): 2996583720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 921, 1228, 1535, 1842, 2456, 3070, 3684, 4605, 6140, 7368, 9210, 12280, 18420, 36840, 40471, 80942, 121413, 161884, 202355, 242826, 323768, 404710, 485652, 607065, 809420, 971304, 1214130, 1618840, 2428260, 4856520, 12424597, 24849194, 37273791, 49698388, 62122985, 74547582, 99396776, 124245970, 149095164, 186368955, 248491940, 298190328, 372737910, 496983880, 745475820, 1490951640]

約数ペア:

[(1, 1490951640), (2, 745475820), (3, 496983880), (4, 372737910), (5, 298190328), (6, 248491940), (8, 186368955), (10, 149095164), (12, 124245970), (15, 99396776), (20, 74547582), (24, 62122985), (30, 49698388), (40, 37273791), (60, 24849194), (120, 12424597), (307, 4856520), (614, 2428260), (921, 1618840), (1228, 1214130), (1535, 971304), (1842, 809420), (2456, 607065), (3070, 485652), (3684, 404710), (4605, 323768), (6140, 242826), (7368, 202355), (9210, 161884), (12280, 121413), (18420, 80942), (36840, 40471)]