397328640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{103471}}^1$

素因数の和:103495

約数の個数: 72

約数和(自身を含む): 1268980608

約数和(自身を除く): 871651968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 103471, 206942, 310413, 413884, 517355, 620826, 827768, 1034710, 1241652, 1552065, 1655536, 2069420, 2483304, 3104130, 3311072, 4138840, 4966608, 6208260, 6622144, 8277680, 9933216, 12416520, 13244288, 16555360, 19866432, 24833040, 26488576, 33110720, 39732864, 49666080, 66221440, 79465728, 99332160, 132442880, 198664320, 397328640]

約数ペア:

[(1, 397328640), (2, 198664320), (3, 132442880), (4, 99332160), (5, 79465728), (6, 66221440), (8, 49666080), (10, 39732864), (12, 33110720), (15, 26488576), (16, 24833040), (20, 19866432), (24, 16555360), (30, 13244288), (32, 12416520), (40, 9933216), (48, 8277680), (60, 6622144), (64, 6208260), (80, 4966608), (96, 4138840), (120, 3311072), (128, 3104130), (160, 2483304), (192, 2069420), (240, 1655536), (256, 1552065), (320, 1241652), (384, 1034710), (480, 827768), (640, 620826), (768, 517355), (960, 413884), (1280, 310413), (1920, 206942), (3840, 103471)]