80420652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 220177776

約数和(自身を除く): 139757124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 227, 234, 454, 468, 681, 757, 908, 1362, 1514, 2043, 2271, 2724, 2951, 3028, 4086, 4542, 5902, 6813, 8172, 8853, 9084, 9841, 11804, 13626, 17706, 19682, 26559, 27252, 29523, 35412, 39364, 53118, 59046, 88569, 106236, 118092, 171839, 177138, 343678, 354276, 515517, 687356, 1031034, 1546551, 2062068, 2233907, 3093102, 4467814, 6186204, 6701721, 8935628, 13403442, 20105163, 26806884, 40210326, 80420652]

約数ペア:

[(1, 80420652), (2, 40210326), (3, 26806884), (4, 20105163), (6, 13403442), (9, 8935628), (12, 6701721), (13, 6186204), (18, 4467814), (26, 3093102), (36, 2233907), (39, 2062068), (52, 1546551), (78, 1031034), (117, 687356), (156, 515517), (227, 354276), (234, 343678), (454, 177138), (468, 171839), (681, 118092), (757, 106236), (908, 88569), (1362, 59046), (1514, 53118), (2043, 39364), (2271, 35412), (2724, 29523), (2951, 27252), (3028, 26559), (4086, 19682), (4542, 17706), (5902, 13626), (6813, 11804), (8172, 9841), (8853, 9084)]