1999140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 6604416

約数和(自身を除く): 4605276

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 233, 260, 286, 330, 390, 429, 466, 572, 660, 699, 715, 780, 858, 932, 1165, 1398, 1430, 1716, 2145, 2330, 2563, 2796, 2860, 3029, 3495, 4290, 4660, 5126, 6058, 6990, 7689, 8580, 9087, 10252, 12116, 12815, 13980, 15145, 15378, 18174, 25630, 30290, 30756, 33319, 36348, 38445, 45435, 51260, 60580, 66638, 76890, 90870, 99957, 133276, 153780, 166595, 181740, 199914, 333190, 399828, 499785, 666380, 999570, 1999140]

約数ペア:

[(1, 1999140), (2, 999570), (3, 666380), (4, 499785), (5, 399828), (6, 333190), (10, 199914), (11, 181740), (12, 166595), (13, 153780), (15, 133276), (20, 99957), (22, 90870), (26, 76890), (30, 66638), (33, 60580), (39, 51260), (44, 45435), (52, 38445), (55, 36348), (60, 33319), (65, 30756), (66, 30290), (78, 25630), (110, 18174), (130, 15378), (132, 15145), (143, 13980), (156, 12815), (165, 12116), (195, 10252), (220, 9087), (233, 8580), (260, 7689), (286, 6990), (330, 6058), (390, 5126), (429, 4660), (466, 4290), (572, 3495), (660, 3029), (699, 2860), (715, 2796), (780, 2563), (858, 2330), (932, 2145), (1165, 1716), (1398, 1430)]