278825520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16363}}^1$

素因数の和:16450

約数の個数: 80

約数和(自身を含む): 876586752

約数和(自身を除く): 597761232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 16363, 17040, 32726, 49089, 65452, 81815, 98178, 130904, 163630, 196356, 245445, 261808, 327260, 392712, 490890, 654520, 785424, 981780, 1161773, 1309040, 1963560, 2323546, 3485319, 3927120, 4647092, 5808865, 6970638, 9294184, 11617730, 13941276, 17426595, 18588368, 23235460, 27882552, 34853190, 46470920, 55765104, 69706380, 92941840, 139412760, 278825520]

約数ペア:

[(1, 278825520), (2, 139412760), (3, 92941840), (4, 69706380), (5, 55765104), (6, 46470920), (8, 34853190), (10, 27882552), (12, 23235460), (15, 18588368), (16, 17426595), (20, 13941276), (24, 11617730), (30, 9294184), (40, 6970638), (48, 5808865), (60, 4647092), (71, 3927120), (80, 3485319), (120, 2323546), (142, 1963560), (213, 1309040), (240, 1161773), (284, 981780), (355, 785424), (426, 654520), (568, 490890), (710, 392712), (852, 327260), (1065, 261808), (1136, 245445), (1420, 196356), (1704, 163630), (2130, 130904), (2840, 98178), (3408, 81815), (4260, 65452), (5680, 49089), (8520, 32726), (16363, 17040)]