402321840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27481}}^1$

素因数の和:27558

約数の個数: 80

約数和(自身を含む): 1267689696

約数和(自身を除く): 865367856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 14640, 27481, 54962, 82443, 109924, 137405, 164886, 219848, 274810, 329772, 412215, 439696, 549620, 659544, 824430, 1099240, 1319088, 1648860, 1676341, 2198480, 3297720, 3352682, 5029023, 6595440, 6705364, 8381705, 10058046, 13410728, 16763410, 20116092, 25145115, 26821456, 33526820, 40232184, 50290230, 67053640, 80464368, 100580460, 134107280, 201160920, 402321840]

約数ペア:

[(1, 402321840), (2, 201160920), (3, 134107280), (4, 100580460), (5, 80464368), (6, 67053640), (8, 50290230), (10, 40232184), (12, 33526820), (15, 26821456), (16, 25145115), (20, 20116092), (24, 16763410), (30, 13410728), (40, 10058046), (48, 8381705), (60, 6705364), (61, 6595440), (80, 5029023), (120, 3352682), (122, 3297720), (183, 2198480), (240, 1676341), (244, 1648860), (305, 1319088), (366, 1099240), (488, 824430), (610, 659544), (732, 549620), (915, 439696), (976, 412215), (1220, 329772), (1464, 274810), (1830, 219848), (2440, 164886), (2928, 137405), (3660, 109924), (4880, 82443), (7320, 54962), (14640, 27481)]