240988860

素因数分解:

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

素因数の和:425

約数の個数: 216

約数和(自身を含む): 862701840

約数和(自身を除く): 621712980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 89, 90, 98, 105, 126, 140, 147, 178, 180, 196, 210, 245, 252, 267, 294, 307, 315, 356, 420, 441, 445, 490, 534, 588, 614, 623, 630, 735, 801, 882, 890, 921, 980, 1068, 1228, 1246, 1260, 1335, 1470, 1535, 1602, 1764, 1780, 1842, 1869, 2149, 2205, 2492, 2670, 2763, 2940, 3070, 3115, 3204, 3684, 3738, 4005, 4298, 4361, 4410, 4605, 5340, 5526, 5607, 6140, 6230, 6447, 7476, 8010, 8596, 8722, 8820, 9210, 9345, 10745, 11052, 11214, 12460, 12894, 13083, 13815, 15043, 16020, 17444, 18420, 18690, 19341, 21490, 21805, 22428, 25788, 26166, 27323, 27630, 28035, 30086, 32235, 37380, 38682, 39249, 42980, 43610, 45129, 52332, 54646, 55260, 56070, 60172, 64470, 65415, 75215, 77364, 78498, 81969, 87220, 90258, 96705, 109292, 112140, 128940, 130830, 135387, 136615, 150430, 156996, 163938, 180516, 191261, 193410, 196245, 225645, 245907, 261660, 270774, 273230, 300860, 327876, 382522, 386820, 392490, 409845, 451290, 491814, 541548, 546460, 573783, 676935, 765044, 784980, 819690, 902580, 956305, 983628, 1147566, 1229535, 1338827, 1353870, 1639380, 1721349, 1912610, 2295132, 2459070, 2677654, 2707740, 2868915, 3442698, 3825220, 4016481, 4918140, 5355308, 5737830, 6694135, 6885396, 8032962, 8606745, 11475660, 12049443, 13388270, 16065924, 17213490, 20082405, 24098886, 26776540, 34426980, 40164810, 48197772, 60247215, 80329620, 120494430, 240988860]

約数ペア:

[(1, 240988860), (2, 120494430), (3, 80329620), (4, 60247215), (5, 48197772), (6, 40164810), (7, 34426980), (9, 26776540), (10, 24098886), (12, 20082405), (14, 17213490), (15, 16065924), (18, 13388270), (20, 12049443), (21, 11475660), (28, 8606745), (30, 8032962), (35, 6885396), (36, 6694135), (42, 5737830), (45, 5355308), (49, 4918140), (60, 4016481), (63, 3825220), (70, 3442698), (84, 2868915), (89, 2707740), (90, 2677654), (98, 2459070), (105, 2295132), (126, 1912610), (140, 1721349), (147, 1639380), (178, 1353870), (180, 1338827), (196, 1229535), (210, 1147566), (245, 983628), (252, 956305), (267, 902580), (294, 819690), (307, 784980), (315, 765044), (356, 676935), (420, 573783), (441, 546460), (445, 541548), (490, 491814), (534, 451290), (588, 409845), (614, 392490), (623, 386820), (630, 382522), (735, 327876), (801, 300860), (882, 273230), (890, 270774), (921, 261660), (980, 245907), (1068, 225645), (1228, 196245), (1246, 193410), (1260, 191261), (1335, 180516), (1470, 163938), (1535, 156996), (1602, 150430), (1764, 136615), (1780, 135387), (1842, 130830), (1869, 128940), (2149, 112140), (2205, 109292), (2492, 96705), (2670, 90258), (2763, 87220), (2940, 81969), (3070, 78498), (3115, 77364), (3204, 75215), (3684, 65415), (3738, 64470), (4005, 60172), (4298, 56070), (4361, 55260), (4410, 54646), (4605, 52332), (5340, 45129), (5526, 43610), (5607, 42980), (6140, 39249), (6230, 38682), (6447, 37380), (7476, 32235), (8010, 30086), (8596, 28035), (8722, 27630), (8820, 27323), (9210, 26166), (9345, 25788), (10745, 22428), (11052, 21805), (11214, 21490), (12460, 19341), (12894, 18690), (13083, 18420), (13815, 17444), (15043, 16020)]