90180840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1139

約数の個数: 128

約数和(自身を含む): 292752000

約数和(自身を除く): 202571160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1069, 1110, 1140, 1406, 1480, 2109, 2138, 2220, 2280, 2812, 3207, 3515, 4218, 4276, 4440, 5345, 5624, 6414, 7030, 8436, 8552, 10545, 10690, 12828, 14060, 16035, 16872, 20311, 21090, 21380, 25656, 28120, 32070, 39553, 40622, 42180, 42760, 60933, 64140, 79106, 81244, 84360, 101555, 118659, 121866, 128280, 158212, 162488, 197765, 203110, 237318, 243732, 304665, 316424, 395530, 406220, 474636, 487464, 593295, 609330, 751507, 791060, 812440, 949272, 1186590, 1218660, 1503014, 1582120, 2254521, 2373180, 2437320, 3006028, 3757535, 4509042, 4746360, 6012056, 7515070, 9018084, 11272605, 15030140, 18036168, 22545210, 30060280, 45090420, 90180840]

約数ペア:

[(1, 90180840), (2, 45090420), (3, 30060280), (4, 22545210), (5, 18036168), (6, 15030140), (8, 11272605), (10, 9018084), (12, 7515070), (15, 6012056), (19, 4746360), (20, 4509042), (24, 3757535), (30, 3006028), (37, 2437320), (38, 2373180), (40, 2254521), (57, 1582120), (60, 1503014), (74, 1218660), (76, 1186590), (95, 949272), (111, 812440), (114, 791060), (120, 751507), (148, 609330), (152, 593295), (185, 487464), (190, 474636), (222, 406220), (228, 395530), (285, 316424), (296, 304665), (370, 243732), (380, 237318), (444, 203110), (456, 197765), (555, 162488), (570, 158212), (703, 128280), (740, 121866), (760, 118659), (888, 101555), (1069, 84360), (1110, 81244), (1140, 79106), (1406, 64140), (1480, 60933), (2109, 42760), (2138, 42180), (2220, 40622), (2280, 39553), (2812, 32070), (3207, 28120), (3515, 25656), (4218, 21380), (4276, 21090), (4440, 20311), (5345, 16872), (5624, 16035), (6414, 14060), (7030, 12828), (8436, 10690), (8552, 10545)]