42076720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 112635648

約数和(自身を除く): 70558928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 331, 454, 560, 662, 908, 1135, 1324, 1589, 1655, 1816, 2270, 2317, 2648, 3178, 3310, 3632, 4540, 4634, 5296, 6356, 6620, 7945, 9080, 9268, 11585, 12712, 13240, 15890, 18160, 18536, 23170, 25424, 26480, 31780, 37072, 46340, 63560, 75137, 92680, 127120, 150274, 185360, 300548, 375685, 525959, 601096, 751370, 1051918, 1202192, 1502740, 2103836, 2629795, 3005480, 4207672, 5259590, 6010960, 8415344, 10519180, 21038360, 42076720]

約数ペア:

[(1, 42076720), (2, 21038360), (4, 10519180), (5, 8415344), (7, 6010960), (8, 5259590), (10, 4207672), (14, 3005480), (16, 2629795), (20, 2103836), (28, 1502740), (35, 1202192), (40, 1051918), (56, 751370), (70, 601096), (80, 525959), (112, 375685), (140, 300548), (227, 185360), (280, 150274), (331, 127120), (454, 92680), (560, 75137), (662, 63560), (908, 46340), (1135, 37072), (1324, 31780), (1589, 26480), (1655, 25424), (1816, 23170), (2270, 18536), (2317, 18160), (2648, 15890), (3178, 13240), (3310, 12712), (3632, 11585), (4540, 9268), (4634, 9080), (5296, 7945), (6356, 6620)]