1540380820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 3764517120

約数和(自身を除く): 2224136300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 47, 55, 58, 94, 110, 116, 121, 145, 188, 220, 235, 242, 290, 319, 467, 470, 484, 517, 580, 605, 638, 934, 940, 1034, 1210, 1276, 1363, 1595, 1868, 2068, 2335, 2420, 2585, 2726, 3190, 3509, 4670, 5137, 5170, 5452, 5687, 6380, 6815, 7018, 9340, 10274, 10340, 11374, 13543, 13630, 14036, 14993, 17545, 20548, 21949, 22748, 25685, 27086, 27260, 28435, 29986, 35090, 43898, 51370, 54172, 56507, 56870, 59972, 67715, 70180, 74965, 87796, 102740, 109745, 113014, 113740, 135430, 148973, 149930, 164923, 219490, 226028, 241439, 270860, 282535, 297946, 299860, 329846, 438980, 482878, 565070, 595892, 636521, 659692, 744865, 824615, 965756, 1130140, 1207195, 1273042, 1489730, 1638703, 1649230, 2414390, 2546084, 2655829, 2979460, 3182605, 3277406, 3298460, 4828780, 5311658, 6365210, 6554812, 7001731, 8193515, 10623316, 12730420, 13279145, 14003462, 16387030, 26558290, 28006924, 32774060, 35008655, 53116580, 70017310, 77019041, 140034620, 154038082, 308076164, 385095205, 770190410, 1540380820]

約数ペア:

[(1, 1540380820), (2, 770190410), (4, 385095205), (5, 308076164), (10, 154038082), (11, 140034620), (20, 77019041), (22, 70017310), (29, 53116580), (44, 35008655), (47, 32774060), (55, 28006924), (58, 26558290), (94, 16387030), (110, 14003462), (116, 13279145), (121, 12730420), (145, 10623316), (188, 8193515), (220, 7001731), (235, 6554812), (242, 6365210), (290, 5311658), (319, 4828780), (467, 3298460), (470, 3277406), (484, 3182605), (517, 2979460), (580, 2655829), (605, 2546084), (638, 2414390), (934, 1649230), (940, 1638703), (1034, 1489730), (1210, 1273042), (1276, 1207195), (1363, 1130140), (1595, 965756), (1868, 824615), (2068, 744865), (2335, 659692), (2420, 636521), (2585, 595892), (2726, 565070), (3190, 482878), (3509, 438980), (4670, 329846), (5137, 299860), (5170, 297946), (5452, 282535), (5687, 270860), (6380, 241439), (6815, 226028), (7018, 219490), (9340, 164923), (10274, 149930), (10340, 148973), (11374, 135430), (13543, 113740), (13630, 113014), (14036, 109745), (14993, 102740), (17545, 87796), (20548, 74965), (21949, 70180), (22748, 67715), (25685, 59972), (27086, 56870), (27260, 56507), (28435, 54172), (29986, 51370), (35090, 43898)]