65045520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1561

約数の個数: 120

約数和(自身を含む): 222175512

約数和(自身を除く): 157129992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1481, 1830, 2196, 2440, 2745, 2928, 2962, 3660, 4392, 4443, 4880, 5490, 5924, 7320, 7405, 8784, 8886, 10980, 11848, 13329, 14640, 14810, 17772, 21960, 22215, 23696, 26658, 29620, 35544, 43920, 44430, 53316, 59240, 66645, 71088, 88860, 90341, 106632, 118480, 133290, 177720, 180682, 213264, 266580, 271023, 355440, 361364, 451705, 533160, 542046, 722728, 813069, 903410, 1066320, 1084092, 1355115, 1445456, 1626138, 1806820, 2168184, 2710230, 3252276, 3613640, 4065345, 4336368, 5420460, 6504552, 7227280, 8130690, 10840920, 13009104, 16261380, 21681840, 32522760, 65045520]

約数ペア:

[(1, 65045520), (2, 32522760), (3, 21681840), (4, 16261380), (5, 13009104), (6, 10840920), (8, 8130690), (9, 7227280), (10, 6504552), (12, 5420460), (15, 4336368), (16, 4065345), (18, 3613640), (20, 3252276), (24, 2710230), (30, 2168184), (36, 1806820), (40, 1626138), (45, 1445456), (48, 1355115), (60, 1084092), (61, 1066320), (72, 903410), (80, 813069), (90, 722728), (120, 542046), (122, 533160), (144, 451705), (180, 361364), (183, 355440), (240, 271023), (244, 266580), (305, 213264), (360, 180682), (366, 177720), (488, 133290), (549, 118480), (610, 106632), (720, 90341), (732, 88860), (915, 71088), (976, 66645), (1098, 59240), (1220, 53316), (1464, 44430), (1481, 43920), (1830, 35544), (2196, 29620), (2440, 26658), (2745, 23696), (2928, 22215), (2962, 21960), (3660, 17772), (4392, 14810), (4443, 14640), (4880, 13329), (5490, 11848), (5924, 10980), (7320, 8886), (7405, 8784)]