90385020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 301916160

約数和(自身を除く): 211531140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 191, 198, 220, 239, 330, 382, 396, 478, 495, 573, 660, 717, 764, 955, 956, 990, 1146, 1195, 1434, 1719, 1910, 1980, 2101, 2151, 2292, 2390, 2629, 2865, 2868, 3438, 3585, 3820, 4202, 4302, 4780, 5258, 5730, 6303, 6876, 7170, 7887, 8404, 8595, 8604, 10505, 10516, 10755, 11460, 12606, 13145, 14340, 15774, 17190, 18909, 21010, 21510, 23661, 25212, 26290, 31515, 31548, 34380, 37818, 39435, 42020, 43020, 45649, 47322, 52580, 63030, 75636, 78870, 91298, 94545, 94644, 118305, 126060, 136947, 157740, 182596, 189090, 228245, 236610, 273894, 378180, 410841, 456490, 473220, 502139, 547788, 684735, 821682, 912980, 1004278, 1369470, 1506417, 1643364, 2008556, 2054205, 2510695, 2738940, 3012834, 4108410, 4519251, 5021390, 6025668, 7532085, 8216820, 9038502, 10042780, 15064170, 18077004, 22596255, 30128340, 45192510, 90385020]

約数ペア:

[(1, 90385020), (2, 45192510), (3, 30128340), (4, 22596255), (5, 18077004), (6, 15064170), (9, 10042780), (10, 9038502), (11, 8216820), (12, 7532085), (15, 6025668), (18, 5021390), (20, 4519251), (22, 4108410), (30, 3012834), (33, 2738940), (36, 2510695), (44, 2054205), (45, 2008556), (55, 1643364), (60, 1506417), (66, 1369470), (90, 1004278), (99, 912980), (110, 821682), (132, 684735), (165, 547788), (180, 502139), (191, 473220), (198, 456490), (220, 410841), (239, 378180), (330, 273894), (382, 236610), (396, 228245), (478, 189090), (495, 182596), (573, 157740), (660, 136947), (717, 126060), (764, 118305), (955, 94644), (956, 94545), (990, 91298), (1146, 78870), (1195, 75636), (1434, 63030), (1719, 52580), (1910, 47322), (1980, 45649), (2101, 43020), (2151, 42020), (2292, 39435), (2390, 37818), (2629, 34380), (2865, 31548), (2868, 31515), (3438, 26290), (3585, 25212), (3820, 23661), (4202, 21510), (4302, 21010), (4780, 18909), (5258, 17190), (5730, 15774), (6303, 14340), (6876, 13145), (7170, 12606), (7887, 11460), (8404, 10755), (8595, 10516), (8604, 10505)]