278295270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:590

約数の個数: 128

約数和(自身を含む): 780088320

約数和(自身を除く): 501793050

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 113, 165, 170, 187, 226, 255, 330, 339, 374, 439, 510, 561, 565, 678, 878, 935, 1122, 1130, 1243, 1317, 1695, 1870, 1921, 2195, 2486, 2634, 2805, 3390, 3729, 3842, 4390, 4829, 5610, 5763, 6215, 6585, 7458, 7463, 9605, 9658, 11526, 12430, 13170, 14487, 14926, 18645, 19210, 21131, 22389, 24145, 28815, 28974, 37290, 37315, 42262, 44778, 48290, 49607, 57630, 63393, 72435, 74630, 82093, 99214, 105655, 111945, 126786, 144870, 148821, 164186, 211310, 223890, 246279, 248035, 297642, 316965, 410465, 492558, 496070, 545677, 633930, 744105, 820930, 843319, 1091354, 1231395, 1488210, 1637031, 1686638, 2462790, 2529957, 2728385, 3274062, 4216595, 5059914, 5456770, 8185155, 8433190, 9276509, 12649785, 16370310, 18553018, 25299570, 27829527, 46382545, 55659054, 92765090, 139147635, 278295270]

約数ペア:

[(1, 278295270), (2, 139147635), (3, 92765090), (5, 55659054), (6, 46382545), (10, 27829527), (11, 25299570), (15, 18553018), (17, 16370310), (22, 12649785), (30, 9276509), (33, 8433190), (34, 8185155), (51, 5456770), (55, 5059914), (66, 4216595), (85, 3274062), (102, 2728385), (110, 2529957), (113, 2462790), (165, 1686638), (170, 1637031), (187, 1488210), (226, 1231395), (255, 1091354), (330, 843319), (339, 820930), (374, 744105), (439, 633930), (510, 545677), (561, 496070), (565, 492558), (678, 410465), (878, 316965), (935, 297642), (1122, 248035), (1130, 246279), (1243, 223890), (1317, 211310), (1695, 164186), (1870, 148821), (1921, 144870), (2195, 126786), (2486, 111945), (2634, 105655), (2805, 99214), (3390, 82093), (3729, 74630), (3842, 72435), (4390, 63393), (4829, 57630), (5610, 49607), (5763, 48290), (6215, 44778), (6585, 42262), (7458, 37315), (7463, 37290), (9605, 28974), (9658, 28815), (11526, 24145), (12430, 22389), (13170, 21131), (14487, 19210), (14926, 18645)]