920220160

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18919}}^1$

素因数の和:18961

約数の個数: 80

約数和(自身を含む): 2322619200

約数和(自身を除く): 1402399040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 18919, 24320, 37838, 48640, 75676, 94595, 151352, 189190, 302704, 359461, 378380, 605408, 718922, 756760, 1210816, 1437844, 1513520, 1797305, 2421632, 2875688, 3027040, 3594610, 4843264, 5751376, 6054080, 7189220, 9686528, 11502752, 12108160, 14378440, 23005504, 24216320, 28756880, 46011008, 48432640, 57513760, 92022016, 115027520, 184044032, 230055040, 460110080, 920220160]

約数ペア:

[(1, 920220160), (2, 460110080), (4, 230055040), (5, 184044032), (8, 115027520), (10, 92022016), (16, 57513760), (19, 48432640), (20, 46011008), (32, 28756880), (38, 24216320), (40, 23005504), (64, 14378440), (76, 12108160), (80, 11502752), (95, 9686528), (128, 7189220), (152, 6054080), (160, 5751376), (190, 4843264), (256, 3594610), (304, 3027040), (320, 2875688), (380, 2421632), (512, 1797305), (608, 1513520), (640, 1437844), (760, 1210816), (1216, 756760), (1280, 718922), (1520, 605408), (2432, 378380), (2560, 359461), (3040, 302704), (4864, 189190), (6080, 151352), (9728, 94595), (12160, 75676), (18919, 48640), (24320, 37838)]