15015420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 55194048

約数和(自身を除く): 40178628

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, 701, 714, 765, 1020, 1071, 1190, 1260, 1402, 1428, 1530, 1785, 2103, 2142, 2380, 2804, 3060, 3505, 3570, 4206, 4284, 4907, 5355, 6309, 7010, 7140, 8412, 9814, 10515, 10710, 11917, 12618, 14020, 14721, 19628, 21030, 21420, 23834, 24535, 25236, 29442, 31545, 35751, 42060, 44163, 47668, 49070, 58884, 59585, 63090, 71502, 73605, 83419, 88326, 98140, 107253, 119170, 126180, 143004, 147210, 166838, 176652, 178755, 214506, 220815, 238340, 250257, 294420, 333676, 357510, 417095, 429012, 441630, 500514, 536265, 715020, 750771, 834190, 883260, 1001028, 1072530, 1251285, 1501542, 1668380, 2145060, 2502570, 3003084, 3753855, 5005140, 7507710, 15015420]

約数ペア:

[(1, 15015420), (2, 7507710), (3, 5005140), (4, 3753855), (5, 3003084), (6, 2502570), (7, 2145060), (9, 1668380), (10, 1501542), (12, 1251285), (14, 1072530), (15, 1001028), (17, 883260), (18, 834190), (20, 750771), (21, 715020), (28, 536265), (30, 500514), (34, 441630), (35, 429012), (36, 417095), (42, 357510), (45, 333676), (51, 294420), (60, 250257), (63, 238340), (68, 220815), (70, 214506), (84, 178755), (85, 176652), (90, 166838), (102, 147210), (105, 143004), (119, 126180), (126, 119170), (140, 107253), (153, 98140), (170, 88326), (180, 83419), (204, 73605), (210, 71502), (238, 63090), (252, 59585), (255, 58884), (306, 49070), (315, 47668), (340, 44163), (357, 42060), (420, 35751), (476, 31545), (510, 29442), (595, 25236), (612, 24535), (630, 23834), (701, 21420), (714, 21030), (765, 19628), (1020, 14721), (1071, 14020), (1190, 12618), (1260, 11917), (1402, 10710), (1428, 10515), (1530, 9814), (1785, 8412), (2103, 7140), (2142, 7010), (2380, 6309), (2804, 5355), (3060, 4907), (3505, 4284), (3570, 4206)]