90231960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8263}}^1$

素因数の和:8297

約数の個数: 128

約数和(自身を含む): 333204480

約数和(自身を除く): 242972520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 8263, 10920, 16526, 24789, 33052, 41315, 49578, 57841, 66104, 82630, 99156, 107419, 115682, 123945, 165260, 173523, 198312, 214838, 231364, 247890, 289205, 322257, 330520, 347046, 429676, 462728, 495780, 537095, 578410, 644514, 694092, 751933, 859352, 867615, 991560, 1074190, 1156820, 1289028, 1388184, 1503866, 1611285, 1735230, 2148380, 2255799, 2313640, 2578056, 3007732, 3222570, 3470460, 3759665, 4296760, 4511598, 6015464, 6445140, 6940920, 7519330, 9023196, 11278995, 12890280, 15038660, 18046392, 22557990, 30077320, 45115980, 90231960]

約数ペア:

[(1, 90231960), (2, 45115980), (3, 30077320), (4, 22557990), (5, 18046392), (6, 15038660), (7, 12890280), (8, 11278995), (10, 9023196), (12, 7519330), (13, 6940920), (14, 6445140), (15, 6015464), (20, 4511598), (21, 4296760), (24, 3759665), (26, 3470460), (28, 3222570), (30, 3007732), (35, 2578056), (39, 2313640), (40, 2255799), (42, 2148380), (52, 1735230), (56, 1611285), (60, 1503866), (65, 1388184), (70, 1289028), (78, 1156820), (84, 1074190), (91, 991560), (104, 867615), (105, 859352), (120, 751933), (130, 694092), (140, 644514), (156, 578410), (168, 537095), (182, 495780), (195, 462728), (210, 429676), (260, 347046), (273, 330520), (280, 322257), (312, 289205), (364, 247890), (390, 231364), (420, 214838), (455, 198312), (520, 173523), (546, 165260), (728, 123945), (780, 115682), (840, 107419), (910, 99156), (1092, 82630), (1365, 66104), (1560, 57841), (1820, 49578), (2184, 41315), (2730, 33052), (3640, 24789), (5460, 16526), (8263, 10920)]