30190440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 104693760

約数和(自身を除く): 74503320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 283, 381, 420, 508, 566, 635, 762, 840, 849, 889, 1016, 1132, 1270, 1415, 1524, 1698, 1778, 1905, 1981, 2264, 2540, 2667, 2830, 3048, 3396, 3556, 3810, 3962, 4245, 4445, 5080, 5334, 5660, 5943, 6792, 7112, 7620, 7924, 8490, 8890, 9905, 10668, 11320, 11886, 13335, 15240, 15848, 16980, 17780, 19810, 21336, 23772, 26670, 29715, 33960, 35560, 35941, 39620, 47544, 53340, 59430, 71882, 79240, 106680, 107823, 118860, 143764, 179705, 215646, 237720, 251587, 287528, 359410, 431292, 503174, 539115, 718820, 754761, 862584, 1006348, 1078230, 1257935, 1437640, 1509522, 2012696, 2156460, 2515870, 3019044, 3773805, 4312920, 5031740, 6038088, 7547610, 10063480, 15095220, 30190440]

約数ペア:

[(1, 30190440), (2, 15095220), (3, 10063480), (4, 7547610), (5, 6038088), (6, 5031740), (7, 4312920), (8, 3773805), (10, 3019044), (12, 2515870), (14, 2156460), (15, 2012696), (20, 1509522), (21, 1437640), (24, 1257935), (28, 1078230), (30, 1006348), (35, 862584), (40, 754761), (42, 718820), (56, 539115), (60, 503174), (70, 431292), (84, 359410), (105, 287528), (120, 251587), (127, 237720), (140, 215646), (168, 179705), (210, 143764), (254, 118860), (280, 107823), (283, 106680), (381, 79240), (420, 71882), (508, 59430), (566, 53340), (635, 47544), (762, 39620), (840, 35941), (849, 35560), (889, 33960), (1016, 29715), (1132, 26670), (1270, 23772), (1415, 21336), (1524, 19810), (1698, 17780), (1778, 16980), (1905, 15848), (1981, 15240), (2264, 13335), (2540, 11886), (2667, 11320), (2830, 10668), (3048, 9905), (3396, 8890), (3556, 8490), (3810, 7924), (3962, 7620), (4245, 7112), (4445, 6792), (5080, 5943), (5334, 5660)]