16261380

素因数分解:

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

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 50168664

約数和(自身を除く): 33907284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1481, 1830, 2196, 2745, 2962, 3660, 4443, 5490, 5924, 7405, 8886, 10980, 13329, 14810, 17772, 22215, 26658, 29620, 44430, 53316, 66645, 88860, 90341, 133290, 180682, 266580, 271023, 361364, 451705, 542046, 813069, 903410, 1084092, 1355115, 1626138, 1806820, 2710230, 3252276, 4065345, 5420460, 8130690, 16261380]

約数ペア:

[(1, 16261380), (2, 8130690), (3, 5420460), (4, 4065345), (5, 3252276), (6, 2710230), (9, 1806820), (10, 1626138), (12, 1355115), (15, 1084092), (18, 903410), (20, 813069), (30, 542046), (36, 451705), (45, 361364), (60, 271023), (61, 266580), (90, 180682), (122, 133290), (180, 90341), (183, 88860), (244, 66645), (305, 53316), (366, 44430), (549, 29620), (610, 26658), (732, 22215), (915, 17772), (1098, 14810), (1220, 13329), (1481, 10980), (1830, 8886), (2196, 7405), (2745, 5924), (2962, 5490), (3660, 4443)]