11231920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 30855168

約数和(自身を除く): 19623248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 647, 868, 1085, 1240, 1294, 1736, 2170, 2480, 2588, 3235, 3472, 4340, 4529, 5176, 6470, 8680, 9058, 10352, 12940, 17360, 18116, 20057, 22645, 25880, 36232, 40114, 45290, 51760, 72464, 80228, 90580, 100285, 140399, 160456, 181160, 200570, 280798, 320912, 362320, 401140, 561596, 701995, 802280, 1123192, 1403990, 1604560, 2246384, 2807980, 5615960, 11231920]

約数ペア:

[(1, 11231920), (2, 5615960), (4, 2807980), (5, 2246384), (7, 1604560), (8, 1403990), (10, 1123192), (14, 802280), (16, 701995), (20, 561596), (28, 401140), (31, 362320), (35, 320912), (40, 280798), (56, 200570), (62, 181160), (70, 160456), (80, 140399), (112, 100285), (124, 90580), (140, 80228), (155, 72464), (217, 51760), (248, 45290), (280, 40114), (310, 36232), (434, 25880), (496, 22645), (560, 20057), (620, 18116), (647, 17360), (868, 12940), (1085, 10352), (1240, 9058), (1294, 8680), (1736, 6470), (2170, 5176), (2480, 4529), (2588, 4340), (3235, 3472)]