280355940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1162

約数の個数: 144

約数和(自身を含む): 897361920

約数和(自身を除く): 617005980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 47, 60, 62, 90, 93, 94, 124, 141, 155, 180, 186, 188, 235, 279, 282, 310, 372, 423, 465, 470, 558, 564, 620, 705, 846, 930, 940, 1069, 1116, 1395, 1410, 1457, 1692, 1860, 2115, 2138, 2790, 2820, 2914, 3207, 4230, 4276, 4371, 5345, 5580, 5828, 6414, 7285, 8460, 8742, 9621, 10690, 12828, 13113, 14570, 16035, 17484, 19242, 21380, 21855, 26226, 29140, 32070, 33139, 38484, 43710, 48105, 50243, 52452, 64140, 65565, 66278, 87420, 96210, 99417, 100486, 131130, 132556, 150729, 165695, 192420, 198834, 200972, 251215, 262260, 298251, 301458, 331390, 397668, 452187, 497085, 502430, 596502, 602916, 662780, 753645, 904374, 994170, 1004860, 1193004, 1491255, 1507290, 1557533, 1808748, 1988340, 2260935, 2982510, 3014580, 3115066, 4521870, 4672599, 5965020, 6230132, 7787665, 9043740, 9345198, 14017797, 15575330, 18690396, 23362995, 28035594, 31150660, 46725990, 56071188, 70088985, 93451980, 140177970, 280355940]

約数ペア:

[(1, 280355940), (2, 140177970), (3, 93451980), (4, 70088985), (5, 56071188), (6, 46725990), (9, 31150660), (10, 28035594), (12, 23362995), (15, 18690396), (18, 15575330), (20, 14017797), (30, 9345198), (31, 9043740), (36, 7787665), (45, 6230132), (47, 5965020), (60, 4672599), (62, 4521870), (90, 3115066), (93, 3014580), (94, 2982510), (124, 2260935), (141, 1988340), (155, 1808748), (180, 1557533), (186, 1507290), (188, 1491255), (235, 1193004), (279, 1004860), (282, 994170), (310, 904374), (372, 753645), (423, 662780), (465, 602916), (470, 596502), (558, 502430), (564, 497085), (620, 452187), (705, 397668), (846, 331390), (930, 301458), (940, 298251), (1069, 262260), (1116, 251215), (1395, 200972), (1410, 198834), (1457, 192420), (1692, 165695), (1860, 150729), (2115, 132556), (2138, 131130), (2790, 100486), (2820, 99417), (2914, 96210), (3207, 87420), (4230, 66278), (4276, 65565), (4371, 64140), (5345, 52452), (5580, 50243), (5828, 48105), (6414, 43710), (7285, 38484), (8460, 33139), (8742, 32070), (9621, 29140), (10690, 26226), (12828, 21855), (13113, 21380), (14570, 19242), (16035, 17484)]