180486560

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 439084800

約数和(自身を除く): 258598240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 109, 131, 158, 160, 218, 262, 316, 395, 436, 524, 545, 632, 655, 790, 872, 1048, 1090, 1264, 1310, 1580, 1744, 2096, 2180, 2528, 2620, 3160, 3488, 4192, 4360, 5240, 6320, 8611, 8720, 10349, 10480, 12640, 14279, 17222, 17440, 20698, 20960, 28558, 34444, 41396, 43055, 51745, 57116, 68888, 71395, 82792, 86110, 103490, 114232, 137776, 142790, 165584, 172220, 206980, 228464, 275552, 285580, 331168, 344440, 413960, 456928, 571160, 688880, 827920, 1128041, 1142320, 1377760, 1655840, 2256082, 2284640, 4512164, 5640205, 9024328, 11280410, 18048656, 22560820, 36097312, 45121640, 90243280, 180486560]

約数ペア:

[(1, 180486560), (2, 90243280), (4, 45121640), (5, 36097312), (8, 22560820), (10, 18048656), (16, 11280410), (20, 9024328), (32, 5640205), (40, 4512164), (79, 2284640), (80, 2256082), (109, 1655840), (131, 1377760), (158, 1142320), (160, 1128041), (218, 827920), (262, 688880), (316, 571160), (395, 456928), (436, 413960), (524, 344440), (545, 331168), (632, 285580), (655, 275552), (790, 228464), (872, 206980), (1048, 172220), (1090, 165584), (1264, 142790), (1310, 137776), (1580, 114232), (1744, 103490), (2096, 86110), (2180, 82792), (2528, 71395), (2620, 68888), (3160, 57116), (3488, 51745), (4192, 43055), (4360, 41396), (5240, 34444), (6320, 28558), (8611, 20960), (8720, 20698), (10349, 17440), (10480, 17222), (12640, 14279)]