728280

素因数分解:

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

素因数の和:58

約数の個数: 144

約数和(自身を含む): 2873520

約数和(自身を除く): 2145240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 289, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 578, 595, 612, 630, 680, 714, 765, 840, 867, 952, 1020, 1071, 1156, 1190, 1224, 1260, 1428, 1445, 1530, 1734, 1785, 2023, 2040, 2142, 2312, 2380, 2520, 2601, 2856, 2890, 3060, 3468, 3570, 4046, 4284, 4335, 4760, 5202, 5355, 5780, 6069, 6120, 6936, 7140, 8092, 8568, 8670, 10115, 10404, 10710, 11560, 12138, 13005, 14280, 16184, 17340, 18207, 20230, 20808, 21420, 24276, 26010, 30345, 34680, 36414, 40460, 42840, 48552, 52020, 60690, 72828, 80920, 91035, 104040, 121380, 145656, 182070, 242760, 364140, 728280]

約数ペア:

[(1, 728280), (2, 364140), (3, 242760), (4, 182070), (5, 145656), (6, 121380), (7, 104040), (8, 91035), (9, 80920), (10, 72828), (12, 60690), (14, 52020), (15, 48552), (17, 42840), (18, 40460), (20, 36414), (21, 34680), (24, 30345), (28, 26010), (30, 24276), (34, 21420), (35, 20808), (36, 20230), (40, 18207), (42, 17340), (45, 16184), (51, 14280), (56, 13005), (60, 12138), (63, 11560), (68, 10710), (70, 10404), (72, 10115), (84, 8670), (85, 8568), (90, 8092), (102, 7140), (105, 6936), (119, 6120), (120, 6069), (126, 5780), (136, 5355), (140, 5202), (153, 4760), (168, 4335), (170, 4284), (180, 4046), (204, 3570), (210, 3468), (238, 3060), (252, 2890), (255, 2856), (280, 2601), (289, 2520), (306, 2380), (315, 2312), (340, 2142), (357, 2040), (360, 2023), (408, 1785), (420, 1734), (476, 1530), (504, 1445), (510, 1428), (578, 1260), (595, 1224), (612, 1190), (630, 1156), (680, 1071), (714, 1020), (765, 952), (840, 867)]