30987840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 168

約数和(自身を含む): 107094528

約数和(自身を除く): 76106688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 191, 192, 195, 208, 240, 260, 312, 320, 338, 382, 390, 416, 480, 507, 520, 573, 624, 676, 764, 780, 832, 845, 955, 960, 1014, 1040, 1146, 1248, 1352, 1528, 1560, 1690, 1910, 2028, 2080, 2292, 2483, 2496, 2535, 2704, 2865, 3056, 3120, 3380, 3820, 4056, 4160, 4584, 4966, 5070, 5408, 5730, 6112, 6240, 6760, 7449, 7640, 8112, 9168, 9932, 10140, 10816, 11460, 12224, 12415, 12480, 13520, 14898, 15280, 16224, 18336, 19864, 20280, 22920, 24830, 27040, 29796, 30560, 32279, 32448, 36672, 37245, 39728, 40560, 45840, 49660, 54080, 59592, 61120, 64558, 74490, 79456, 81120, 91680, 96837, 99320, 119184, 129116, 148980, 158912, 161395, 162240, 183360, 193674, 198640, 238368, 258232, 297960, 322790, 387348, 397280, 476736, 484185, 516464, 595920, 645580, 774696, 794560, 968370, 1032928, 1191840, 1291160, 1549392, 1936740, 2065856, 2383680, 2582320, 3098784, 3873480, 5164640, 6197568, 7746960, 10329280, 15493920, 30987840]

約数ペア:

[(1, 30987840), (2, 15493920), (3, 10329280), (4, 7746960), (5, 6197568), (6, 5164640), (8, 3873480), (10, 3098784), (12, 2582320), (13, 2383680), (15, 2065856), (16, 1936740), (20, 1549392), (24, 1291160), (26, 1191840), (30, 1032928), (32, 968370), (39, 794560), (40, 774696), (48, 645580), (52, 595920), (60, 516464), (64, 484185), (65, 476736), (78, 397280), (80, 387348), (96, 322790), (104, 297960), (120, 258232), (130, 238368), (156, 198640), (160, 193674), (169, 183360), (191, 162240), (192, 161395), (195, 158912), (208, 148980), (240, 129116), (260, 119184), (312, 99320), (320, 96837), (338, 91680), (382, 81120), (390, 79456), (416, 74490), (480, 64558), (507, 61120), (520, 59592), (573, 54080), (624, 49660), (676, 45840), (764, 40560), (780, 39728), (832, 37245), (845, 36672), (955, 32448), (960, 32279), (1014, 30560), (1040, 29796), (1146, 27040), (1248, 24830), (1352, 22920), (1528, 20280), (1560, 19864), (1690, 18336), (1910, 16224), (2028, 15280), (2080, 14898), (2292, 13520), (2483, 12480), (2496, 12415), (2535, 12224), (2704, 11460), (2865, 10816), (3056, 10140), (3120, 9932), (3380, 9168), (3820, 8112), (4056, 7640), (4160, 7449), (4584, 6760), (4966, 6240), (5070, 6112), (5408, 5730)]