248836140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11617}}^1$

素因数の和:11656

約数の個数: 144

約数和(自身を含む): 913453632

約数和(自身を除く): 664617492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 11617, 21420, 23234, 34851, 46468, 58085, 69702, 81319, 104553, 116170, 139404, 162638, 174255, 197489, 209106, 232340, 243957, 325276, 348510, 394978, 406595, 418212, 487914, 522765, 592467, 697020, 731871, 789956, 813190, 975828, 987445, 1045530, 1184934, 1219785, 1382423, 1463742, 1626380, 1777401, 1974890, 2091060, 2369868, 2439570, 2764846, 2927484, 2962335, 3554802, 3659355, 3949780, 4147269, 4879140, 5529692, 5924670, 6912115, 7109604, 7318710, 8294538, 8887005, 11849340, 12441807, 13824230, 14637420, 16589076, 17774010, 20736345, 24883614, 27648460, 35548020, 41472690, 49767228, 62209035, 82945380, 124418070, 248836140]

約数ペア:

[(1, 248836140), (2, 124418070), (3, 82945380), (4, 62209035), (5, 49767228), (6, 41472690), (7, 35548020), (9, 27648460), (10, 24883614), (12, 20736345), (14, 17774010), (15, 16589076), (17, 14637420), (18, 13824230), (20, 12441807), (21, 11849340), (28, 8887005), (30, 8294538), (34, 7318710), (35, 7109604), (36, 6912115), (42, 5924670), (45, 5529692), (51, 4879140), (60, 4147269), (63, 3949780), (68, 3659355), (70, 3554802), (84, 2962335), (85, 2927484), (90, 2764846), (102, 2439570), (105, 2369868), (119, 2091060), (126, 1974890), (140, 1777401), (153, 1626380), (170, 1463742), (180, 1382423), (204, 1219785), (210, 1184934), (238, 1045530), (252, 987445), (255, 975828), (306, 813190), (315, 789956), (340, 731871), (357, 697020), (420, 592467), (476, 522765), (510, 487914), (595, 418212), (612, 406595), (630, 394978), (714, 348510), (765, 325276), (1020, 243957), (1071, 232340), (1190, 209106), (1260, 197489), (1428, 174255), (1530, 162638), (1785, 139404), (2142, 116170), (2380, 104553), (3060, 81319), (3570, 69702), (4284, 58085), (5355, 46468), (7140, 34851), (10710, 23234), (11617, 21420)]