12987660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 44561664

約数和(自身を除く): 31574004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 107, 119, 140, 170, 204, 210, 214, 238, 255, 289, 321, 340, 357, 420, 428, 476, 510, 535, 578, 595, 642, 714, 749, 867, 1020, 1070, 1156, 1190, 1284, 1428, 1445, 1498, 1605, 1734, 1785, 1819, 2023, 2140, 2247, 2380, 2890, 2996, 3210, 3468, 3570, 3638, 3745, 4046, 4335, 4494, 5457, 5780, 6069, 6420, 7140, 7276, 7490, 8092, 8670, 8988, 9095, 10115, 10914, 11235, 12138, 12733, 14980, 17340, 18190, 20230, 21828, 22470, 24276, 25466, 27285, 30345, 30923, 36380, 38199, 40460, 44940, 50932, 54570, 60690, 61846, 63665, 76398, 92769, 109140, 121380, 123692, 127330, 152796, 154615, 185538, 190995, 216461, 254660, 309230, 371076, 381990, 432922, 463845, 618460, 649383, 763980, 865844, 927690, 1082305, 1298766, 1855380, 2164610, 2597532, 3246915, 4329220, 6493830, 12987660]

約数ペア:

[(1, 12987660), (2, 6493830), (3, 4329220), (4, 3246915), (5, 2597532), (6, 2164610), (7, 1855380), (10, 1298766), (12, 1082305), (14, 927690), (15, 865844), (17, 763980), (20, 649383), (21, 618460), (28, 463845), (30, 432922), (34, 381990), (35, 371076), (42, 309230), (51, 254660), (60, 216461), (68, 190995), (70, 185538), (84, 154615), (85, 152796), (102, 127330), (105, 123692), (107, 121380), (119, 109140), (140, 92769), (170, 76398), (204, 63665), (210, 61846), (214, 60690), (238, 54570), (255, 50932), (289, 44940), (321, 40460), (340, 38199), (357, 36380), (420, 30923), (428, 30345), (476, 27285), (510, 25466), (535, 24276), (578, 22470), (595, 21828), (642, 20230), (714, 18190), (749, 17340), (867, 14980), (1020, 12733), (1070, 12138), (1156, 11235), (1190, 10914), (1284, 10115), (1428, 9095), (1445, 8988), (1498, 8670), (1605, 8092), (1734, 7490), (1785, 7276), (1819, 7140), (2023, 6420), (2140, 6069), (2247, 5780), (2380, 5457), (2890, 4494), (2996, 4335), (3210, 4046), (3468, 3745), (3570, 3638)]