2680456788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{26987}}^1$

素因数の和:27117

約数の個数: 72

約数和(自身を含む): 7073015040

約数和(自身を除く): 4392558252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 89, 93, 124, 178, 186, 267, 279, 356, 372, 534, 558, 801, 1068, 1116, 1602, 2759, 3204, 5518, 8277, 11036, 16554, 24831, 26987, 33108, 49662, 53974, 80961, 99324, 107948, 161922, 242883, 323844, 485766, 836597, 971532, 1673194, 2401843, 2509791, 3346388, 4803686, 5019582, 7205529, 7529373, 9607372, 10039164, 14411058, 15058746, 21616587, 28822116, 30117492, 43233174, 74457133, 86466348, 148914266, 223371399, 297828532, 446742798, 670114197, 893485596, 1340228394, 2680456788]

約数ペア:

[(1, 2680456788), (2, 1340228394), (3, 893485596), (4, 670114197), (6, 446742798), (9, 297828532), (12, 223371399), (18, 148914266), (31, 86466348), (36, 74457133), (62, 43233174), (89, 30117492), (93, 28822116), (124, 21616587), (178, 15058746), (186, 14411058), (267, 10039164), (279, 9607372), (356, 7529373), (372, 7205529), (534, 5019582), (558, 4803686), (801, 3346388), (1068, 2509791), (1116, 2401843), (1602, 1673194), (2759, 971532), (3204, 836597), (5518, 485766), (8277, 323844), (11036, 242883), (16554, 161922), (24831, 107948), (26987, 99324), (33108, 80961), (49662, 53974)]