81404808360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21883013}}^1$

素因数の和:21883058

約数の個数: 64

約数和(自身を含む): 252092321280

約数和(自身を除く): 170687512920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21883013, 43766026, 65649039, 87532052, 109415065, 131298078, 175064104, 218830130, 262596156, 328245195, 437660260, 525192312, 656490390, 678373403, 875320520, 1312980780, 1356746806, 2035120209, 2625961560, 2713493612, 3391867015, 4070240418, 5426987224, 6783734030, 8140480836, 10175601045, 13567468060, 16280961672, 20351202090, 27134936120, 40702404180, 81404808360]

約数ペア:

[(1, 81404808360), (2, 40702404180), (3, 27134936120), (4, 20351202090), (5, 16280961672), (6, 13567468060), (8, 10175601045), (10, 8140480836), (12, 6783734030), (15, 5426987224), (20, 4070240418), (24, 3391867015), (30, 2713493612), (31, 2625961560), (40, 2035120209), (60, 1356746806), (62, 1312980780), (93, 875320520), (120, 678373403), (124, 656490390), (155, 525192312), (186, 437660260), (248, 328245195), (310, 262596156), (372, 218830130), (465, 175064104), (620, 131298078), (744, 109415065), (930, 87532052), (1240, 65649039), (1860, 43766026), (3720, 21883013)]