7785120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{331}}^1$

素因数の和:363

約数の個数: 144

約数和(自身を含む): 28613088

約数和(自身を除く): 20827968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 331, 336, 392, 420, 480, 490, 560, 588, 662, 672, 735, 784, 840, 980, 993, 1120, 1176, 1324, 1470, 1568, 1655, 1680, 1960, 1986, 2317, 2352, 2648, 2940, 3310, 3360, 3920, 3972, 4634, 4704, 4965, 5296, 5880, 6620, 6951, 7840, 7944, 9268, 9930, 10592, 11585, 11760, 13240, 13902, 15888, 16219, 18536, 19860, 23170, 23520, 26480, 27804, 31776, 32438, 34755, 37072, 39720, 46340, 48657, 52960, 55608, 64876, 69510, 74144, 79440, 81095, 92680, 97314, 111216, 129752, 139020, 158880, 162190, 185360, 194628, 222432, 243285, 259504, 278040, 324380, 370720, 389256, 486570, 519008, 556080, 648760, 778512, 973140, 1112160, 1297520, 1557024, 1946280, 2595040, 3892560, 7785120]

約数ペア:

[(1, 7785120), (2, 3892560), (3, 2595040), (4, 1946280), (5, 1557024), (6, 1297520), (7, 1112160), (8, 973140), (10, 778512), (12, 648760), (14, 556080), (15, 519008), (16, 486570), (20, 389256), (21, 370720), (24, 324380), (28, 278040), (30, 259504), (32, 243285), (35, 222432), (40, 194628), (42, 185360), (48, 162190), (49, 158880), (56, 139020), (60, 129752), (70, 111216), (80, 97314), (84, 92680), (96, 81095), (98, 79440), (105, 74144), (112, 69510), (120, 64876), (140, 55608), (147, 52960), (160, 48657), (168, 46340), (196, 39720), (210, 37072), (224, 34755), (240, 32438), (245, 31776), (280, 27804), (294, 26480), (331, 23520), (336, 23170), (392, 19860), (420, 18536), (480, 16219), (490, 15888), (560, 13902), (588, 13240), (662, 11760), (672, 11585), (735, 10592), (784, 9930), (840, 9268), (980, 7944), (993, 7840), (1120, 6951), (1176, 6620), (1324, 5880), (1470, 5296), (1568, 4965), (1655, 4704), (1680, 4634), (1960, 3972), (1986, 3920), (2317, 3360), (2352, 3310), (2648, 2940)]