1980689130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{44281}}^1$

素因数の和:44372

約数の個数: 96

約数和(自身を含む): 5968505088

約数和(自身を除く): 3987815958

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 426, 497, 630, 639, 710, 994, 1065, 1278, 1491, 2130, 2485, 2982, 3195, 4473, 4970, 6390, 7455, 8946, 14910, 22365, 44281, 44730, 88562, 132843, 221405, 265686, 309967, 398529, 442810, 619934, 664215, 797058, 929901, 1328430, 1549835, 1859802, 1992645, 2789703, 3099670, 3143951, 3985290, 4649505, 5579406, 6287902, 9299010, 9431853, 13948515, 15719755, 18863706, 22007657, 27897030, 28295559, 31439510, 44015314, 47159265, 56591118, 66022971, 94318530, 110038285, 132045942, 141477795, 198068913, 220076570, 282955590, 330114855, 396137826, 660229710, 990344565, 1980689130]

約数ペア:

[(1, 1980689130), (2, 990344565), (3, 660229710), (5, 396137826), (6, 330114855), (7, 282955590), (9, 220076570), (10, 198068913), (14, 141477795), (15, 132045942), (18, 110038285), (21, 94318530), (30, 66022971), (35, 56591118), (42, 47159265), (45, 44015314), (63, 31439510), (70, 28295559), (71, 27897030), (90, 22007657), (105, 18863706), (126, 15719755), (142, 13948515), (210, 9431853), (213, 9299010), (315, 6287902), (355, 5579406), (426, 4649505), (497, 3985290), (630, 3143951), (639, 3099670), (710, 2789703), (994, 1992645), (1065, 1859802), (1278, 1549835), (1491, 1328430), (2130, 929901), (2485, 797058), (2982, 664215), (3195, 619934), (4473, 442810), (4970, 398529), (6390, 309967), (7455, 265686), (8946, 221405), (14910, 132843), (22365, 88562), (44281, 44730)]