28730240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 192

約数和(自身を含む): 87907680

約数和(自身を除く): 59177440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 53, 55, 56, 64, 70, 77, 80, 88, 106, 110, 112, 121, 128, 140, 154, 160, 176, 212, 220, 224, 242, 265, 280, 308, 320, 352, 371, 385, 424, 440, 448, 484, 530, 560, 583, 605, 616, 640, 704, 742, 770, 847, 848, 880, 896, 968, 1060, 1120, 1166, 1210, 1232, 1408, 1484, 1540, 1694, 1696, 1760, 1855, 1936, 2120, 2240, 2332, 2420, 2464, 2915, 2968, 3080, 3388, 3392, 3520, 3710, 3872, 4081, 4235, 4240, 4480, 4664, 4840, 4928, 5830, 5936, 6160, 6413, 6776, 6784, 7040, 7420, 7744, 8162, 8470, 8480, 9328, 9680, 9856, 11660, 11872, 12320, 12826, 13552, 14840, 15488, 16324, 16940, 16960, 18656, 19360, 20405, 23320, 23744, 24640, 25652, 27104, 29680, 32065, 32648, 33880, 33920, 37312, 38720, 40810, 44891, 46640, 47488, 49280, 51304, 54208, 59360, 64130, 65296, 67760, 74624, 77440, 81620, 89782, 93280, 102608, 108416, 118720, 128260, 130592, 135520, 163240, 179564, 186560, 205216, 224455, 237440, 256520, 261184, 271040, 326480, 359128, 373120, 410432, 448910, 513040, 522368, 542080, 652960, 718256, 820864, 897820, 1026080, 1305920, 1436512, 1795640, 2052160, 2611840, 2873024, 3591280, 4104320, 5746048, 7182560, 14365120, 28730240]

約数ペア:

[(1, 28730240), (2, 14365120), (4, 7182560), (5, 5746048), (7, 4104320), (8, 3591280), (10, 2873024), (11, 2611840), (14, 2052160), (16, 1795640), (20, 1436512), (22, 1305920), (28, 1026080), (32, 897820), (35, 820864), (40, 718256), (44, 652960), (53, 542080), (55, 522368), (56, 513040), (64, 448910), (70, 410432), (77, 373120), (80, 359128), (88, 326480), (106, 271040), (110, 261184), (112, 256520), (121, 237440), (128, 224455), (140, 205216), (154, 186560), (160, 179564), (176, 163240), (212, 135520), (220, 130592), (224, 128260), (242, 118720), (265, 108416), (280, 102608), (308, 93280), (320, 89782), (352, 81620), (371, 77440), (385, 74624), (424, 67760), (440, 65296), (448, 64130), (484, 59360), (530, 54208), (560, 51304), (583, 49280), (605, 47488), (616, 46640), (640, 44891), (704, 40810), (742, 38720), (770, 37312), (847, 33920), (848, 33880), (880, 32648), (896, 32065), (968, 29680), (1060, 27104), (1120, 25652), (1166, 24640), (1210, 23744), (1232, 23320), (1408, 20405), (1484, 19360), (1540, 18656), (1694, 16960), (1696, 16940), (1760, 16324), (1855, 15488), (1936, 14840), (2120, 13552), (2240, 12826), (2332, 12320), (2420, 11872), (2464, 11660), (2915, 9856), (2968, 9680), (3080, 9328), (3388, 8480), (3392, 8470), (3520, 8162), (3710, 7744), (3872, 7420), (4081, 7040), (4235, 6784), (4240, 6776), (4480, 6413), (4664, 6160), (4840, 5936), (4928, 5830)]