128572920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{5669}}^1$

素因数の和:5699

約数の個数: 160

約数和(自身を含む): 493970400

約数和(自身を除く): 365397480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5669, 5670, 7560, 11338, 11340, 17007, 22676, 22680, 28345, 34014, 39683, 45352, 51021, 56690, 68028, 79366, 85035, 102042, 113380, 119049, 136056, 153063, 158732, 170070, 198415, 204084, 226760, 238098, 255105, 306126, 317464, 340140, 357147, 396830, 408168, 459189, 476196, 510210, 595245, 612252, 680280, 714294, 765315, 793660, 918378, 952392, 1020420, 1071441, 1190490, 1224504, 1428588, 1530630, 1587320, 1785735, 1836756, 2040840, 2142882, 2295945, 2380980, 2857176, 3061260, 3214323, 3571470, 3673512, 4285764, 4591890, 4761960, 5357205, 6122520, 6428646, 7142940, 8571528, 9183780, 10714410, 12857292, 14285880, 16071615, 18367560, 21428820, 25714584, 32143230, 42857640, 64286460, 128572920]

約数ペア:

[(1, 128572920), (2, 64286460), (3, 42857640), (4, 32143230), (5, 25714584), (6, 21428820), (7, 18367560), (8, 16071615), (9, 14285880), (10, 12857292), (12, 10714410), (14, 9183780), (15, 8571528), (18, 7142940), (20, 6428646), (21, 6122520), (24, 5357205), (27, 4761960), (28, 4591890), (30, 4285764), (35, 3673512), (36, 3571470), (40, 3214323), (42, 3061260), (45, 2857176), (54, 2380980), (56, 2295945), (60, 2142882), (63, 2040840), (70, 1836756), (72, 1785735), (81, 1587320), (84, 1530630), (90, 1428588), (105, 1224504), (108, 1190490), (120, 1071441), (126, 1020420), (135, 952392), (140, 918378), (162, 793660), (168, 765315), (180, 714294), (189, 680280), (210, 612252), (216, 595245), (252, 510210), (270, 476196), (280, 459189), (315, 408168), (324, 396830), (360, 357147), (378, 340140), (405, 317464), (420, 306126), (504, 255105), (540, 238098), (567, 226760), (630, 204084), (648, 198415), (756, 170070), (810, 158732), (840, 153063), (945, 136056), (1080, 119049), (1134, 113380), (1260, 102042), (1512, 85035), (1620, 79366), (1890, 68028), (2268, 56690), (2520, 51021), (2835, 45352), (3240, 39683), (3780, 34014), (4536, 28345), (5669, 22680), (5670, 22676), (7560, 17007), (11338, 11340)]