628754640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3191}}^1$

素因数の和:4028

約数の個数: 80

約数和(自身を含む): 1952125056

約数和(自身を除く): 1323370416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 821, 1642, 2463, 3191, 3284, 4105, 4926, 6382, 6568, 8210, 9573, 9852, 12315, 12764, 13136, 15955, 16420, 19146, 19704, 24630, 25528, 31910, 32840, 38292, 39408, 47865, 49260, 51056, 63820, 65680, 76584, 95730, 98520, 127640, 153168, 191460, 197040, 255280, 382920, 765840, 2619811, 5239622, 7859433, 10479244, 13099055, 15718866, 20958488, 26198110, 31437732, 39297165, 41916976, 52396220, 62875464, 78594330, 104792440, 125750928, 157188660, 209584880, 314377320, 628754640]

約数ペア:

[(1, 628754640), (2, 314377320), (3, 209584880), (4, 157188660), (5, 125750928), (6, 104792440), (8, 78594330), (10, 62875464), (12, 52396220), (15, 41916976), (16, 39297165), (20, 31437732), (24, 26198110), (30, 20958488), (40, 15718866), (48, 13099055), (60, 10479244), (80, 7859433), (120, 5239622), (240, 2619811), (821, 765840), (1642, 382920), (2463, 255280), (3191, 197040), (3284, 191460), (4105, 153168), (4926, 127640), (6382, 98520), (6568, 95730), (8210, 76584), (9573, 65680), (9852, 63820), (12315, 51056), (12764, 49260), (13136, 47865), (15955, 39408), (16420, 38292), (19146, 32840), (19704, 31910), (24630, 25528)]