67984540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 158844672

約数和(自身を除く): 90860132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 191, 260, 370, 382, 481, 740, 764, 955, 962, 1369, 1910, 1924, 2405, 2483, 2738, 3820, 4810, 4966, 5476, 6845, 7067, 9620, 9932, 12415, 13690, 14134, 17797, 24830, 27380, 28268, 35335, 35594, 49660, 70670, 71188, 88985, 91871, 141340, 177970, 183742, 261479, 355940, 367484, 459355, 522958, 918710, 1045916, 1307395, 1837420, 2614790, 3399227, 5229580, 6798454, 13596908, 16996135, 33992270, 67984540]

約数ペア:

[(1, 67984540), (2, 33992270), (4, 16996135), (5, 13596908), (10, 6798454), (13, 5229580), (20, 3399227), (26, 2614790), (37, 1837420), (52, 1307395), (65, 1045916), (74, 918710), (130, 522958), (148, 459355), (185, 367484), (191, 355940), (260, 261479), (370, 183742), (382, 177970), (481, 141340), (740, 91871), (764, 88985), (955, 71188), (962, 70670), (1369, 49660), (1910, 35594), (1924, 35335), (2405, 28268), (2483, 27380), (2738, 24830), (3820, 17797), (4810, 14134), (4966, 13690), (5476, 12415), (6845, 9932), (7067, 9620)]