80329620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 265446720

約数和(自身を除く): 185117100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 307, 356, 420, 445, 490, 534, 588, 614, 623, 735, 890, 921, 980, 1068, 1228, 1246, 1335, 1470, 1535, 1780, 1842, 1869, 2149, 2492, 2670, 2940, 3070, 3115, 3684, 3738, 4298, 4361, 4605, 5340, 6140, 6230, 6447, 7476, 8596, 8722, 9210, 9345, 10745, 12460, 12894, 13083, 15043, 17444, 18420, 18690, 21490, 21805, 25788, 26166, 27323, 30086, 32235, 37380, 42980, 43610, 45129, 52332, 54646, 60172, 64470, 65415, 75215, 81969, 87220, 90258, 109292, 128940, 130830, 136615, 150430, 163938, 180516, 191261, 225645, 261660, 273230, 300860, 327876, 382522, 409845, 451290, 546460, 573783, 765044, 819690, 902580, 956305, 1147566, 1338827, 1639380, 1912610, 2295132, 2677654, 2868915, 3825220, 4016481, 5355308, 5737830, 6694135, 8032962, 11475660, 13388270, 16065924, 20082405, 26776540, 40164810, 80329620]

約数ペア:

[(1, 80329620), (2, 40164810), (3, 26776540), (4, 20082405), (5, 16065924), (6, 13388270), (7, 11475660), (10, 8032962), (12, 6694135), (14, 5737830), (15, 5355308), (20, 4016481), (21, 3825220), (28, 2868915), (30, 2677654), (35, 2295132), (42, 1912610), (49, 1639380), (60, 1338827), (70, 1147566), (84, 956305), (89, 902580), (98, 819690), (105, 765044), (140, 573783), (147, 546460), (178, 451290), (196, 409845), (210, 382522), (245, 327876), (267, 300860), (294, 273230), (307, 261660), (356, 225645), (420, 191261), (445, 180516), (490, 163938), (534, 150430), (588, 136615), (614, 130830), (623, 128940), (735, 109292), (890, 90258), (921, 87220), (980, 81969), (1068, 75215), (1228, 65415), (1246, 64470), (1335, 60172), (1470, 54646), (1535, 52332), (1780, 45129), (1842, 43610), (1869, 42980), (2149, 37380), (2492, 32235), (2670, 30086), (2940, 27323), (3070, 26166), (3115, 25788), (3684, 21805), (3738, 21490), (4298, 18690), (4361, 18420), (4605, 17444), (5340, 15043), (6140, 13083), (6230, 12894), (6447, 12460), (7476, 10745), (8596, 9345), (8722, 9210)]