30220960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 90091008

約数和(自身を除く): 59870048

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 223, 224, 242, 280, 308, 352, 385, 440, 446, 484, 560, 605, 616, 770, 847, 880, 892, 968, 1115, 1120, 1210, 1232, 1540, 1561, 1694, 1760, 1784, 1936, 2230, 2420, 2453, 2464, 3080, 3122, 3388, 3568, 3872, 4235, 4460, 4840, 4906, 6160, 6244, 6776, 7136, 7805, 8470, 8920, 9680, 9812, 12265, 12320, 12488, 13552, 15610, 16940, 17171, 17840, 19360, 19624, 24530, 24976, 26983, 27104, 31220, 33880, 34342, 35680, 39248, 49060, 49952, 53966, 62440, 67760, 68684, 78496, 85855, 98120, 107932, 124880, 134915, 135520, 137368, 171710, 188881, 196240, 215864, 249760, 269830, 274736, 343420, 377762, 392480, 431728, 539660, 549472, 686840, 755524, 863456, 944405, 1079320, 1373680, 1511048, 1888810, 2158640, 2747360, 3022096, 3777620, 4317280, 6044192, 7555240, 15110480, 30220960]

約数ペア:

[(1, 30220960), (2, 15110480), (4, 7555240), (5, 6044192), (7, 4317280), (8, 3777620), (10, 3022096), (11, 2747360), (14, 2158640), (16, 1888810), (20, 1511048), (22, 1373680), (28, 1079320), (32, 944405), (35, 863456), (40, 755524), (44, 686840), (55, 549472), (56, 539660), (70, 431728), (77, 392480), (80, 377762), (88, 343420), (110, 274736), (112, 269830), (121, 249760), (140, 215864), (154, 196240), (160, 188881), (176, 171710), (220, 137368), (223, 135520), (224, 134915), (242, 124880), (280, 107932), (308, 98120), (352, 85855), (385, 78496), (440, 68684), (446, 67760), (484, 62440), (560, 53966), (605, 49952), (616, 49060), (770, 39248), (847, 35680), (880, 34342), (892, 33880), (968, 31220), (1115, 27104), (1120, 26983), (1210, 24976), (1232, 24530), (1540, 19624), (1561, 19360), (1694, 17840), (1760, 17171), (1784, 16940), (1936, 15610), (2230, 13552), (2420, 12488), (2453, 12320), (2464, 12265), (3080, 9812), (3122, 9680), (3388, 8920), (3568, 8470), (3872, 7805), (4235, 7136), (4460, 6776), (4840, 6244), (4906, 6160)]