30626860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 47755220

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 431, 646, 748, 836, 862, 935, 1045, 1292, 1615, 1724, 1870, 2090, 2155, 3230, 3553, 3740, 4180, 4310, 4741, 6460, 7106, 7327, 8189, 8620, 9482, 14212, 14654, 16378, 17765, 18964, 23705, 29308, 32756, 35530, 36635, 40945, 47410, 71060, 73270, 80597, 81890, 90079, 94820, 139213, 146540, 161194, 163780, 180158, 278426, 322388, 360316, 402985, 450395, 556852, 696065, 805970, 900790, 1392130, 1531343, 1611940, 1801580, 2784260, 3062686, 6125372, 7656715, 15313430, 30626860]

約数ペア:

[(1, 30626860), (2, 15313430), (4, 7656715), (5, 6125372), (10, 3062686), (11, 2784260), (17, 1801580), (19, 1611940), (20, 1531343), (22, 1392130), (34, 900790), (38, 805970), (44, 696065), (55, 556852), (68, 450395), (76, 402985), (85, 360316), (95, 322388), (110, 278426), (170, 180158), (187, 163780), (190, 161194), (209, 146540), (220, 139213), (323, 94820), (340, 90079), (374, 81890), (380, 80597), (418, 73270), (431, 71060), (646, 47410), (748, 40945), (836, 36635), (862, 35530), (935, 32756), (1045, 29308), (1292, 23705), (1615, 18964), (1724, 17765), (1870, 16378), (2090, 14654), (2155, 14212), (3230, 9482), (3553, 8620), (3740, 8189), (4180, 7327), (4310, 7106), (4741, 6460)]