1853901680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43973}}^1$

素因数の和:44034

約数の個数: 80

約数和(自身を含む): 4711198464

約数和(自身を除く): 2857296784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 42160, 43973, 87946, 175892, 219865, 351784, 439730, 703568, 747541, 879460, 1363163, 1495082, 1758920, 2726326, 2990164, 3517840, 3737705, 5452652, 5980328, 6815815, 7475410, 10905304, 11960656, 13631630, 14950820, 21810608, 23173771, 27263260, 29901640, 46347542, 54526520, 59803280, 92695084, 109053040, 115868855, 185390168, 231737710, 370780336, 463475420, 926950840, 1853901680]

約数ペア:

[(1, 1853901680), (2, 926950840), (4, 463475420), (5, 370780336), (8, 231737710), (10, 185390168), (16, 115868855), (17, 109053040), (20, 92695084), (31, 59803280), (34, 54526520), (40, 46347542), (62, 29901640), (68, 27263260), (80, 23173771), (85, 21810608), (124, 14950820), (136, 13631630), (155, 11960656), (170, 10905304), (248, 7475410), (272, 6815815), (310, 5980328), (340, 5452652), (496, 3737705), (527, 3517840), (620, 2990164), (680, 2726326), (1054, 1758920), (1240, 1495082), (1360, 1363163), (2108, 879460), (2480, 747541), (2635, 703568), (4216, 439730), (5270, 351784), (8432, 219865), (10540, 175892), (21080, 87946), (42160, 43973)]