63820620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18661}}^1$

素因数の和:18695

約数の個数: 72

約数和(自身を含む): 203789040

約数和(自身を除く): 139968420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18661, 37322, 55983, 74644, 93305, 111966, 167949, 186610, 223932, 279915, 335898, 354559, 373220, 559830, 671796, 709118, 839745, 1063677, 1119660, 1418236, 1679490, 1772795, 2127354, 3191031, 3358980, 3545590, 4254708, 5318385, 6382062, 7091180, 10636770, 12764124, 15955155, 21273540, 31910310, 63820620]

約数ペア:

[(1, 63820620), (2, 31910310), (3, 21273540), (4, 15955155), (5, 12764124), (6, 10636770), (9, 7091180), (10, 6382062), (12, 5318385), (15, 4254708), (18, 3545590), (19, 3358980), (20, 3191031), (30, 2127354), (36, 1772795), (38, 1679490), (45, 1418236), (57, 1119660), (60, 1063677), (76, 839745), (90, 709118), (95, 671796), (114, 559830), (171, 373220), (180, 354559), (190, 335898), (228, 279915), (285, 223932), (342, 186610), (380, 167949), (570, 111966), (684, 93305), (855, 74644), (1140, 55983), (1710, 37322), (3420, 18661)]