28893420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3733}}^1$

素因数の和:3791

約数の個数: 72

約数和(自身を含む): 89705616

約数和(自身を除く): 60812196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3733, 3870, 7466, 7740, 11199, 14932, 18665, 22398, 33597, 37330, 44796, 55995, 67194, 74660, 111990, 134388, 160519, 167985, 223980, 321038, 335970, 481557, 642076, 671940, 802595, 963114, 1444671, 1605190, 1926228, 2407785, 2889342, 3210380, 4815570, 5778684, 7223355, 9631140, 14446710, 28893420]

約数ペア:

[(1, 28893420), (2, 14446710), (3, 9631140), (4, 7223355), (5, 5778684), (6, 4815570), (9, 3210380), (10, 2889342), (12, 2407785), (15, 1926228), (18, 1605190), (20, 1444671), (30, 963114), (36, 802595), (43, 671940), (45, 642076), (60, 481557), (86, 335970), (90, 321038), (129, 223980), (172, 167985), (180, 160519), (215, 134388), (258, 111990), (387, 74660), (430, 67194), (516, 55995), (645, 44796), (774, 37330), (860, 33597), (1290, 22398), (1548, 18665), (1935, 14932), (2580, 11199), (3733, 7740), (3870, 7466)]