1491332320

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:732

約数の個数: 96

約数和(自身を含む): 3582599328

約数和(自身を除く): 2091267008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 307, 313, 388, 485, 614, 626, 776, 970, 1228, 1252, 1535, 1552, 1565, 1940, 2456, 2504, 3070, 3104, 3130, 3880, 4912, 5008, 6140, 6260, 7760, 9824, 10016, 12280, 12520, 15520, 24560, 25040, 29779, 30361, 49120, 50080, 59558, 60722, 96091, 119116, 121444, 148895, 151805, 192182, 238232, 242888, 297790, 303610, 384364, 476464, 480455, 485776, 595580, 607220, 768728, 952928, 960910, 971552, 1191160, 1214440, 1537456, 1921820, 2382320, 2428880, 3074912, 3843640, 4764640, 4857760, 7687280, 9320827, 15374560, 18641654, 37283308, 46604135, 74566616, 93208270, 149133232, 186416540, 298266464, 372833080, 745666160, 1491332320]

約数ペア:

[(1, 1491332320), (2, 745666160), (4, 372833080), (5, 298266464), (8, 186416540), (10, 149133232), (16, 93208270), (20, 74566616), (32, 46604135), (40, 37283308), (80, 18641654), (97, 15374560), (160, 9320827), (194, 7687280), (307, 4857760), (313, 4764640), (388, 3843640), (485, 3074912), (614, 2428880), (626, 2382320), (776, 1921820), (970, 1537456), (1228, 1214440), (1252, 1191160), (1535, 971552), (1552, 960910), (1565, 952928), (1940, 768728), (2456, 607220), (2504, 595580), (3070, 485776), (3104, 480455), (3130, 476464), (3880, 384364), (4912, 303610), (5008, 297790), (6140, 242888), (6260, 238232), (7760, 192182), (9824, 151805), (10016, 148895), (12280, 121444), (12520, 119116), (15520, 96091), (24560, 60722), (25040, 59558), (29779, 50080), (30361, 49120)]