11311020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 40255488

約数和(自身を除く): 28944468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 191, 210, 235, 252, 282, 315, 329, 382, 420, 423, 470, 564, 573, 630, 658, 705, 764, 846, 940, 955, 987, 1146, 1260, 1316, 1337, 1410, 1645, 1692, 1719, 1910, 1974, 2115, 2292, 2674, 2820, 2865, 2961, 3290, 3438, 3820, 3948, 4011, 4230, 4935, 5348, 5730, 5922, 6580, 6685, 6876, 8022, 8460, 8595, 8977, 9870, 11460, 11844, 12033, 13370, 14805, 16044, 17190, 17954, 19740, 20055, 24066, 26740, 26931, 29610, 34380, 35908, 40110, 44885, 48132, 53862, 59220, 60165, 62839, 80220, 80793, 89770, 107724, 120330, 125678, 134655, 161586, 179540, 188517, 240660, 251356, 269310, 314195, 323172, 377034, 403965, 538620, 565551, 628390, 754068, 807930, 942585, 1131102, 1256780, 1615860, 1885170, 2262204, 2827755, 3770340, 5655510, 11311020]

約数ペア:

[(1, 11311020), (2, 5655510), (3, 3770340), (4, 2827755), (5, 2262204), (6, 1885170), (7, 1615860), (9, 1256780), (10, 1131102), (12, 942585), (14, 807930), (15, 754068), (18, 628390), (20, 565551), (21, 538620), (28, 403965), (30, 377034), (35, 323172), (36, 314195), (42, 269310), (45, 251356), (47, 240660), (60, 188517), (63, 179540), (70, 161586), (84, 134655), (90, 125678), (94, 120330), (105, 107724), (126, 89770), (140, 80793), (141, 80220), (180, 62839), (188, 60165), (191, 59220), (210, 53862), (235, 48132), (252, 44885), (282, 40110), (315, 35908), (329, 34380), (382, 29610), (420, 26931), (423, 26740), (470, 24066), (564, 20055), (573, 19740), (630, 17954), (658, 17190), (705, 16044), (764, 14805), (846, 13370), (940, 12033), (955, 11844), (987, 11460), (1146, 9870), (1260, 8977), (1316, 8595), (1337, 8460), (1410, 8022), (1645, 6876), (1692, 6685), (1719, 6580), (1910, 5922), (1974, 5730), (2115, 5348), (2292, 4935), (2674, 4230), (2820, 4011), (2865, 3948), (2961, 3820), (3290, 3438)]