15811020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5167}}^1$

素因数の和:5199

約数の個数: 72

約数和(自身を含む): 50791104

約数和(自身を除く): 34980084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 5167, 10334, 15501, 20668, 25835, 31002, 46503, 51670, 62004, 77505, 87839, 93006, 103340, 155010, 175678, 186012, 232515, 263517, 310020, 351356, 439195, 465030, 527034, 790551, 878390, 930060, 1054068, 1317585, 1581102, 1756780, 2635170, 3162204, 3952755, 5270340, 7905510, 15811020]

約数ペア:

[(1, 15811020), (2, 7905510), (3, 5270340), (4, 3952755), (5, 3162204), (6, 2635170), (9, 1756780), (10, 1581102), (12, 1317585), (15, 1054068), (17, 930060), (18, 878390), (20, 790551), (30, 527034), (34, 465030), (36, 439195), (45, 351356), (51, 310020), (60, 263517), (68, 232515), (85, 186012), (90, 175678), (102, 155010), (153, 103340), (170, 93006), (180, 87839), (204, 77505), (255, 62004), (306, 51670), (340, 46503), (510, 31002), (612, 25835), (765, 20668), (1020, 15501), (1530, 10334), (3060, 5167)]