387548280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{51263}}^1$

素因数の和:51290

約数の個数: 128

約数和(自身を含む): 1476403200

約数和(自身を除く): 1088854920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 51263, 102526, 153789, 205052, 256315, 307578, 358841, 410104, 461367, 512630, 615156, 717682, 768945, 922734, 1025260, 1076523, 1230312, 1384101, 1435364, 1537890, 1794205, 1845468, 2050520, 2153046, 2306835, 2768202, 2870728, 3075780, 3229569, 3588410, 3690936, 4306092, 4613670, 5382615, 5536404, 6151560, 6459138, 6920505, 7176820, 8612184, 9227340, 9688707, 10765230, 11072808, 12918276, 13841010, 14353640, 16147845, 18454680, 19377414, 21530460, 25836552, 27682020, 32295690, 38754828, 43060920, 48443535, 55364040, 64591380, 77509656, 96887070, 129182760, 193774140, 387548280]

約数ペア:

[(1, 387548280), (2, 193774140), (3, 129182760), (4, 96887070), (5, 77509656), (6, 64591380), (7, 55364040), (8, 48443535), (9, 43060920), (10, 38754828), (12, 32295690), (14, 27682020), (15, 25836552), (18, 21530460), (20, 19377414), (21, 18454680), (24, 16147845), (27, 14353640), (28, 13841010), (30, 12918276), (35, 11072808), (36, 10765230), (40, 9688707), (42, 9227340), (45, 8612184), (54, 7176820), (56, 6920505), (60, 6459138), (63, 6151560), (70, 5536404), (72, 5382615), (84, 4613670), (90, 4306092), (105, 3690936), (108, 3588410), (120, 3229569), (126, 3075780), (135, 2870728), (140, 2768202), (168, 2306835), (180, 2153046), (189, 2050520), (210, 1845468), (216, 1794205), (252, 1537890), (270, 1435364), (280, 1384101), (315, 1230312), (360, 1076523), (378, 1025260), (420, 922734), (504, 768945), (540, 717682), (630, 615156), (756, 512630), (840, 461367), (945, 410104), (1080, 358841), (1260, 307578), (1512, 256315), (1890, 205052), (2520, 153789), (3780, 102526), (7560, 51263)]