15702540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 51762480

約数和(自身を除く): 36059940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 245, 294, 327, 343, 420, 436, 490, 545, 588, 654, 686, 735, 763, 980, 1029, 1090, 1308, 1372, 1470, 1526, 1635, 1715, 2058, 2180, 2289, 2401, 2940, 3052, 3270, 3430, 3815, 4116, 4578, 4802, 5145, 5341, 6540, 6860, 7203, 7630, 9156, 9604, 10290, 10682, 11445, 12005, 14406, 15260, 16023, 20580, 21364, 22890, 24010, 26705, 28812, 32046, 36015, 37387, 45780, 48020, 53410, 64092, 72030, 74774, 80115, 106820, 112161, 144060, 149548, 160230, 186935, 224322, 261709, 320460, 373870, 448644, 523418, 560805, 747740, 785127, 1046836, 1121610, 1308545, 1570254, 2243220, 2617090, 3140508, 3925635, 5234180, 7851270, 15702540]

約数ペア:

[(1, 15702540), (2, 7851270), (3, 5234180), (4, 3925635), (5, 3140508), (6, 2617090), (7, 2243220), (10, 1570254), (12, 1308545), (14, 1121610), (15, 1046836), (20, 785127), (21, 747740), (28, 560805), (30, 523418), (35, 448644), (42, 373870), (49, 320460), (60, 261709), (70, 224322), (84, 186935), (98, 160230), (105, 149548), (109, 144060), (140, 112161), (147, 106820), (196, 80115), (210, 74774), (218, 72030), (245, 64092), (294, 53410), (327, 48020), (343, 45780), (420, 37387), (436, 36015), (490, 32046), (545, 28812), (588, 26705), (654, 24010), (686, 22890), (735, 21364), (763, 20580), (980, 16023), (1029, 15260), (1090, 14406), (1308, 12005), (1372, 11445), (1470, 10682), (1526, 10290), (1635, 9604), (1715, 9156), (2058, 7630), (2180, 7203), (2289, 6860), (2401, 6540), (2940, 5341), (3052, 5145), (3270, 4802), (3430, 4578), (3815, 4116)]