720850440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1811}}^1$

素因数の和:1963

約数の個数: 128

約数和(自身を含む): 2254417920

約数和(自身を除く): 1533567480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 107, 120, 124, 155, 186, 214, 248, 310, 321, 372, 428, 465, 535, 620, 642, 744, 856, 930, 1070, 1240, 1284, 1605, 1811, 1860, 2140, 2568, 3210, 3317, 3622, 3720, 4280, 5433, 6420, 6634, 7244, 9055, 9951, 10866, 12840, 13268, 14488, 16585, 18110, 19902, 21732, 26536, 27165, 33170, 36220, 39804, 43464, 49755, 54330, 56141, 66340, 72440, 79608, 99510, 108660, 112282, 132680, 168423, 193777, 199020, 217320, 224564, 280705, 336846, 387554, 398040, 449128, 561410, 581331, 673692, 775108, 842115, 968885, 1122820, 1162662, 1347384, 1550216, 1684230, 1937770, 2245640, 2325324, 2906655, 3368460, 3875540, 4650648, 5813310, 6007087, 6736920, 7751080, 11626620, 12014174, 18021261, 23253240, 24028348, 30035435, 36042522, 48056696, 60070870, 72085044, 90106305, 120141740, 144170088, 180212610, 240283480, 360425220, 720850440]

約数ペア:

[(1, 720850440), (2, 360425220), (3, 240283480), (4, 180212610), (5, 144170088), (6, 120141740), (8, 90106305), (10, 72085044), (12, 60070870), (15, 48056696), (20, 36042522), (24, 30035435), (30, 24028348), (31, 23253240), (40, 18021261), (60, 12014174), (62, 11626620), (93, 7751080), (107, 6736920), (120, 6007087), (124, 5813310), (155, 4650648), (186, 3875540), (214, 3368460), (248, 2906655), (310, 2325324), (321, 2245640), (372, 1937770), (428, 1684230), (465, 1550216), (535, 1347384), (620, 1162662), (642, 1122820), (744, 968885), (856, 842115), (930, 775108), (1070, 673692), (1240, 581331), (1284, 561410), (1605, 449128), (1811, 398040), (1860, 387554), (2140, 336846), (2568, 280705), (3210, 224564), (3317, 217320), (3622, 199020), (3720, 193777), (4280, 168423), (5433, 132680), (6420, 112282), (6634, 108660), (7244, 99510), (9055, 79608), (9951, 72440), (10866, 66340), (12840, 56141), (13268, 54330), (14488, 49755), (16585, 43464), (18110, 39804), (19902, 36220), (21732, 33170), (26536, 27165)]