390107760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{232207}}^1$

素因数の和:232230

約数の個数: 80

約数和(自身を含む): 1382102016

約数和(自身を除く): 991994256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 232207, 464414, 696621, 928828, 1161035, 1393242, 1625449, 1857656, 2322070, 2786484, 3250898, 3483105, 3715312, 4644140, 4876347, 5572968, 6501796, 6966210, 8127245, 9288280, 9752694, 11145936, 13003592, 13932420, 16254490, 18576560, 19505388, 24381735, 26007184, 27864840, 32508980, 39010776, 48763470, 55729680, 65017960, 78021552, 97526940, 130035920, 195053880, 390107760]

約数ペア:

[(1, 390107760), (2, 195053880), (3, 130035920), (4, 97526940), (5, 78021552), (6, 65017960), (7, 55729680), (8, 48763470), (10, 39010776), (12, 32508980), (14, 27864840), (15, 26007184), (16, 24381735), (20, 19505388), (21, 18576560), (24, 16254490), (28, 13932420), (30, 13003592), (35, 11145936), (40, 9752694), (42, 9288280), (48, 8127245), (56, 6966210), (60, 6501796), (70, 5572968), (80, 4876347), (84, 4644140), (105, 3715312), (112, 3483105), (120, 3250898), (140, 2786484), (168, 2322070), (210, 1857656), (240, 1625449), (280, 1393242), (336, 1161035), (420, 928828), (560, 696621), (840, 464414), (1680, 232207)]