28667340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12251}}^1$

素因数の和:12279

約数の個数: 72

約数和(自身を含む): 93654288

約数和(自身を除く): 64986948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12251, 24502, 36753, 49004, 61255, 73506, 110259, 122510, 147012, 159263, 183765, 220518, 245020, 318526, 367530, 441036, 477789, 551295, 637052, 735060, 796315, 955578, 1102590, 1433367, 1592630, 1911156, 2205180, 2388945, 2866734, 3185260, 4777890, 5733468, 7166835, 9555780, 14333670, 28667340]

約数ペア:

[(1, 28667340), (2, 14333670), (3, 9555780), (4, 7166835), (5, 5733468), (6, 4777890), (9, 3185260), (10, 2866734), (12, 2388945), (13, 2205180), (15, 1911156), (18, 1592630), (20, 1433367), (26, 1102590), (30, 955578), (36, 796315), (39, 735060), (45, 637052), (52, 551295), (60, 477789), (65, 441036), (78, 367530), (90, 318526), (117, 245020), (130, 220518), (156, 183765), (180, 159263), (195, 147012), (234, 122510), (260, 110259), (390, 73506), (468, 61255), (585, 49004), (780, 36753), (1170, 24502), (2340, 12251)]