30277240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 79004160

約数和(自身を除く): 48726920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1523, 1988, 2485, 2840, 3046, 3976, 4970, 6092, 7615, 9940, 10661, 12184, 15230, 19880, 21322, 30460, 42644, 53305, 60920, 85288, 106610, 108133, 213220, 216266, 426440, 432532, 540665, 756931, 865064, 1081330, 1513862, 2162660, 3027724, 3784655, 4325320, 6055448, 7569310, 15138620, 30277240]

約数ペア:

[(1, 30277240), (2, 15138620), (4, 7569310), (5, 6055448), (7, 4325320), (8, 3784655), (10, 3027724), (14, 2162660), (20, 1513862), (28, 1081330), (35, 865064), (40, 756931), (56, 540665), (70, 432532), (71, 426440), (140, 216266), (142, 213220), (280, 108133), (284, 106610), (355, 85288), (497, 60920), (568, 53305), (710, 42644), (994, 30460), (1420, 21322), (1523, 19880), (1988, 15230), (2485, 12184), (2840, 10661), (3046, 9940), (3976, 7615), (4970, 6092)]