15990630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 39890880

約数和(自身を除く): 23900250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 89, 106, 113, 159, 178, 226, 265, 267, 318, 339, 445, 530, 534, 565, 678, 795, 890, 1130, 1335, 1590, 1695, 2670, 3390, 4717, 5989, 9434, 10057, 11978, 14151, 17967, 20114, 23585, 28302, 29945, 30171, 35934, 47170, 50285, 59890, 60342, 70755, 89835, 100570, 141510, 150855, 179670, 301710, 533021, 1066042, 1599063, 2665105, 3198126, 5330210, 7995315, 15990630]

約数ペア:

[(1, 15990630), (2, 7995315), (3, 5330210), (5, 3198126), (6, 2665105), (10, 1599063), (15, 1066042), (30, 533021), (53, 301710), (89, 179670), (106, 150855), (113, 141510), (159, 100570), (178, 89835), (226, 70755), (265, 60342), (267, 59890), (318, 50285), (339, 47170), (445, 35934), (530, 30171), (534, 29945), (565, 28302), (678, 23585), (795, 20114), (890, 17967), (1130, 14151), (1335, 11978), (1590, 10057), (1695, 9434), (2670, 5989), (3390, 4717)]