71811720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4639}}^1$

素因数の和:4699

約数の個数: 96

約数和(自身を含む): 238867200

約数和(自身を除く): 167055480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 4639, 5160, 7740, 9278, 13917, 15480, 18556, 23195, 27834, 37112, 41751, 46390, 55668, 69585, 83502, 92780, 111336, 139170, 167004, 185560, 199477, 208755, 278340, 334008, 398954, 417510, 556680, 598431, 797908, 835020, 997385, 1196862, 1595816, 1670040, 1795293, 1994770, 2393724, 2992155, 3590586, 3989540, 4787448, 5984310, 7181172, 7979080, 8976465, 11968620, 14362344, 17952930, 23937240, 35905860, 71811720]

約数ペア:

[(1, 71811720), (2, 35905860), (3, 23937240), (4, 17952930), (5, 14362344), (6, 11968620), (8, 8976465), (9, 7979080), (10, 7181172), (12, 5984310), (15, 4787448), (18, 3989540), (20, 3590586), (24, 2992155), (30, 2393724), (36, 1994770), (40, 1795293), (43, 1670040), (45, 1595816), (60, 1196862), (72, 997385), (86, 835020), (90, 797908), (120, 598431), (129, 556680), (172, 417510), (180, 398954), (215, 334008), (258, 278340), (344, 208755), (360, 199477), (387, 185560), (430, 167004), (516, 139170), (645, 111336), (774, 92780), (860, 83502), (1032, 69585), (1290, 55668), (1548, 46390), (1720, 41751), (1935, 37112), (2580, 27834), (3096, 23195), (3870, 18556), (4639, 15480), (5160, 13917), (7740, 9278)]