248623740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 801091200

約数和(自身を除く): 552467460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 139, 171, 180, 190, 228, 278, 285, 342, 380, 417, 523, 556, 570, 684, 695, 834, 855, 1046, 1140, 1251, 1390, 1569, 1668, 1710, 2085, 2092, 2502, 2615, 2641, 2780, 3138, 3420, 4170, 4707, 5004, 5230, 5282, 6255, 6276, 7845, 7923, 8340, 9414, 9937, 10460, 10564, 12510, 13205, 15690, 15846, 18828, 19874, 23535, 23769, 25020, 26410, 29811, 31380, 31692, 39615, 39748, 47070, 47538, 49685, 52820, 59622, 72697, 79230, 89433, 94140, 95076, 99370, 118845, 119244, 145394, 149055, 158460, 178866, 198740, 218091, 237690, 290788, 298110, 357732, 363485, 436182, 447165, 475380, 596220, 654273, 726970, 872364, 894330, 1090455, 1308546, 1381243, 1453940, 1788660, 2180910, 2617092, 2762486, 3271365, 4143729, 4361820, 5524972, 6542730, 6906215, 8287458, 12431187, 13085460, 13812430, 16574916, 20718645, 24862374, 27624860, 41437290, 49724748, 62155935, 82874580, 124311870, 248623740]

約数ペア:

[(1, 248623740), (2, 124311870), (3, 82874580), (4, 62155935), (5, 49724748), (6, 41437290), (9, 27624860), (10, 24862374), (12, 20718645), (15, 16574916), (18, 13812430), (19, 13085460), (20, 12431187), (30, 8287458), (36, 6906215), (38, 6542730), (45, 5524972), (57, 4361820), (60, 4143729), (76, 3271365), (90, 2762486), (95, 2617092), (114, 2180910), (139, 1788660), (171, 1453940), (180, 1381243), (190, 1308546), (228, 1090455), (278, 894330), (285, 872364), (342, 726970), (380, 654273), (417, 596220), (523, 475380), (556, 447165), (570, 436182), (684, 363485), (695, 357732), (834, 298110), (855, 290788), (1046, 237690), (1140, 218091), (1251, 198740), (1390, 178866), (1569, 158460), (1668, 149055), (1710, 145394), (2085, 119244), (2092, 118845), (2502, 99370), (2615, 95076), (2641, 94140), (2780, 89433), (3138, 79230), (3420, 72697), (4170, 59622), (4707, 52820), (5004, 49685), (5230, 47538), (5282, 47070), (6255, 39748), (6276, 39615), (7845, 31692), (7923, 31380), (8340, 29811), (9414, 26410), (9937, 25020), (10460, 23769), (10564, 23535), (12510, 19874), (13205, 18828), (15690, 15846)]