15400980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 41208300

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, 719, 765, 1020, 1071, 1190, 1260, 1428, 1438, 1530, 1785, 2142, 2157, 2380, 2876, 3060, 3570, 3595, 4284, 4314, 5033, 5355, 6471, 7140, 7190, 8628, 10066, 10710, 10785, 12223, 12942, 14380, 15099, 20132, 21420, 21570, 24446, 25165, 25884, 30198, 32355, 36669, 43140, 45297, 48892, 50330, 60396, 61115, 64710, 73338, 75495, 85561, 90594, 100660, 110007, 122230, 129420, 146676, 150990, 171122, 181188, 183345, 220014, 226485, 244460, 256683, 301980, 342244, 366690, 427805, 440028, 452970, 513366, 550035, 733380, 770049, 855610, 905940, 1026732, 1100070, 1283415, 1540098, 1711220, 2200140, 2566830, 3080196, 3850245, 5133660, 7700490, 15400980]

約数ペア:

[(1, 15400980), (2, 7700490), (3, 5133660), (4, 3850245), (5, 3080196), (6, 2566830), (7, 2200140), (9, 1711220), (10, 1540098), (12, 1283415), (14, 1100070), (15, 1026732), (17, 905940), (18, 855610), (20, 770049), (21, 733380), (28, 550035), (30, 513366), (34, 452970), (35, 440028), (36, 427805), (42, 366690), (45, 342244), (51, 301980), (60, 256683), (63, 244460), (68, 226485), (70, 220014), (84, 183345), (85, 181188), (90, 171122), (102, 150990), (105, 146676), (119, 129420), (126, 122230), (140, 110007), (153, 100660), (170, 90594), (180, 85561), (204, 75495), (210, 73338), (238, 64710), (252, 61115), (255, 60396), (306, 50330), (315, 48892), (340, 45297), (357, 43140), (420, 36669), (476, 32355), (510, 30198), (595, 25884), (612, 25165), (630, 24446), (714, 21570), (719, 21420), (765, 20132), (1020, 15099), (1071, 14380), (1190, 12942), (1260, 12223), (1428, 10785), (1438, 10710), (1530, 10066), (1785, 8628), (2142, 7190), (2157, 7140), (2380, 6471), (2876, 5355), (3060, 5033), (3570, 4314), (3595, 4284)]