1221000560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{10771}}^1$

素因数の和:10906

約数の個数: 80

約数和(自身を含む): 3085531680

約数和(自身を除く): 1864531120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1744, 2180, 2834, 4360, 5668, 7085, 8720, 10771, 11336, 14170, 21542, 22672, 28340, 43084, 53855, 56680, 86168, 107710, 113360, 140023, 172336, 215420, 280046, 430840, 560092, 700115, 861680, 1120184, 1174039, 1400230, 2240368, 2348078, 2800460, 4696156, 5600920, 5870195, 9392312, 11201840, 11740390, 15262507, 18784624, 23480780, 30525014, 46961560, 61050028, 76312535, 93923120, 122100056, 152625070, 244200112, 305250140, 610500280, 1221000560]

約数ペア:

[(1, 1221000560), (2, 610500280), (4, 305250140), (5, 244200112), (8, 152625070), (10, 122100056), (13, 93923120), (16, 76312535), (20, 61050028), (26, 46961560), (40, 30525014), (52, 23480780), (65, 18784624), (80, 15262507), (104, 11740390), (109, 11201840), (130, 9392312), (208, 5870195), (218, 5600920), (260, 4696156), (436, 2800460), (520, 2348078), (545, 2240368), (872, 1400230), (1040, 1174039), (1090, 1120184), (1417, 861680), (1744, 700115), (2180, 560092), (2834, 430840), (4360, 280046), (5668, 215420), (7085, 172336), (8720, 140023), (10771, 113360), (11336, 107710), (14170, 86168), (21542, 56680), (22672, 53855), (28340, 43084)]