90940920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{108263}}^1$

素因数の和:108284

約数の個数: 64

約数和(自身を含む): 311800320

約数和(自身を除く): 220859400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 108263, 216526, 324789, 433052, 541315, 649578, 757841, 866104, 1082630, 1299156, 1515682, 1623945, 2165260, 2273523, 2598312, 3031364, 3247890, 3789205, 4330520, 4547046, 6062728, 6495780, 7578410, 9094092, 11367615, 12991560, 15156820, 18188184, 22735230, 30313640, 45470460, 90940920]

約数ペア:

[(1, 90940920), (2, 45470460), (3, 30313640), (4, 22735230), (5, 18188184), (6, 15156820), (7, 12991560), (8, 11367615), (10, 9094092), (12, 7578410), (14, 6495780), (15, 6062728), (20, 4547046), (21, 4330520), (24, 3789205), (28, 3247890), (30, 3031364), (35, 2598312), (40, 2273523), (42, 2165260), (56, 1623945), (60, 1515682), (70, 1299156), (84, 1082630), (105, 866104), (120, 757841), (140, 649578), (168, 541315), (210, 433052), (280, 324789), (420, 216526), (840, 108263)]