204676740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19986

約数の個数: 96

約数和(自身を含む): 670320000

約数和(自身を除く): 465643260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 19949, 39898, 59847, 79796, 99745, 119694, 179541, 199490, 239388, 299235, 359082, 379031, 398980, 538623, 598470, 718164, 758062, 897705, 1077246, 1137093, 1196940, 1516124, 1795410, 1895155, 2154492, 2274186, 2693115, 3411279, 3590820, 3790310, 4548372, 5386230, 5685465, 6822558, 7580620, 10233837, 10772460, 11370930, 13645116, 17056395, 20467674, 22741860, 34112790, 40935348, 51169185, 68225580, 102338370, 204676740]

約数ペア:

[(1, 204676740), (2, 102338370), (3, 68225580), (4, 51169185), (5, 40935348), (6, 34112790), (9, 22741860), (10, 20467674), (12, 17056395), (15, 13645116), (18, 11370930), (19, 10772460), (20, 10233837), (27, 7580620), (30, 6822558), (36, 5685465), (38, 5386230), (45, 4548372), (54, 3790310), (57, 3590820), (60, 3411279), (76, 2693115), (90, 2274186), (95, 2154492), (108, 1895155), (114, 1795410), (135, 1516124), (171, 1196940), (180, 1137093), (190, 1077246), (228, 897705), (270, 758062), (285, 718164), (342, 598470), (380, 538623), (513, 398980), (540, 379031), (570, 359082), (684, 299235), (855, 239388), (1026, 199490), (1140, 179541), (1710, 119694), (2052, 99745), (2565, 79796), (3420, 59847), (5130, 39898), (10260, 19949)]