156725680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4483}}^1$

素因数の和:4538

約数の個数: 80

約数和(自身を含む): 400331520

約数和(自身を除く): 243605840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 4483, 6992, 8740, 8966, 17480, 17932, 22415, 34960, 35864, 44830, 71728, 85177, 89660, 103109, 170354, 179320, 206218, 340708, 358640, 412436, 425885, 515545, 681416, 824872, 851770, 1031090, 1362832, 1649744, 1703540, 1959071, 2062180, 3407080, 3918142, 4124360, 6814160, 7836284, 8248720, 9795355, 15672568, 19590710, 31345136, 39181420, 78362840, 156725680]

約数ペア:

[(1, 156725680), (2, 78362840), (4, 39181420), (5, 31345136), (8, 19590710), (10, 15672568), (16, 9795355), (19, 8248720), (20, 7836284), (23, 6814160), (38, 4124360), (40, 3918142), (46, 3407080), (76, 2062180), (80, 1959071), (92, 1703540), (95, 1649744), (115, 1362832), (152, 1031090), (184, 851770), (190, 824872), (230, 681416), (304, 515545), (368, 425885), (380, 412436), (437, 358640), (460, 340708), (760, 206218), (874, 179320), (920, 170354), (1520, 103109), (1748, 89660), (1840, 85177), (2185, 71728), (3496, 44830), (4370, 35864), (4483, 34960), (6992, 22415), (8740, 17932), (8966, 17480)]