15870120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{2699}}^1$

素因数の和:2727

約数の個数: 96

約数和(自身を含む): 55404000

約数和(自身を除く): 39533880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2699, 2940, 5398, 5880, 8097, 10796, 13495, 16194, 18893, 21592, 26990, 32388, 37786, 40485, 53980, 56679, 64776, 75572, 80970, 94465, 107960, 113358, 132251, 151144, 161940, 188930, 226716, 264502, 283395, 323880, 377860, 396753, 453432, 529004, 566790, 661255, 755720, 793506, 1058008, 1133580, 1322510, 1587012, 1983765, 2267160, 2645020, 3174024, 3967530, 5290040, 7935060, 15870120]

約数ペア:

[(1, 15870120), (2, 7935060), (3, 5290040), (4, 3967530), (5, 3174024), (6, 2645020), (7, 2267160), (8, 1983765), (10, 1587012), (12, 1322510), (14, 1133580), (15, 1058008), (20, 793506), (21, 755720), (24, 661255), (28, 566790), (30, 529004), (35, 453432), (40, 396753), (42, 377860), (49, 323880), (56, 283395), (60, 264502), (70, 226716), (84, 188930), (98, 161940), (105, 151144), (120, 132251), (140, 113358), (147, 107960), (168, 94465), (196, 80970), (210, 75572), (245, 64776), (280, 56679), (294, 53980), (392, 40485), (420, 37786), (490, 32388), (588, 26990), (735, 21592), (840, 18893), (980, 16194), (1176, 13495), (1470, 10796), (1960, 8097), (2699, 5880), (2940, 5398)]