28220640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 104799744

約数和(自身を除く): 76579104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 160, 168, 185, 210, 222, 224, 227, 240, 259, 280, 296, 336, 370, 420, 444, 454, 480, 518, 555, 560, 592, 672, 681, 740, 777, 840, 888, 908, 1036, 1110, 1120, 1135, 1184, 1295, 1362, 1480, 1554, 1589, 1680, 1776, 1816, 2072, 2220, 2270, 2590, 2724, 2960, 3108, 3178, 3360, 3405, 3552, 3632, 3885, 4144, 4440, 4540, 4767, 5180, 5448, 5920, 6216, 6356, 6810, 7264, 7770, 7945, 8288, 8399, 8880, 9080, 9534, 10360, 10896, 12432, 12712, 13620, 15540, 15890, 16798, 17760, 18160, 19068, 20720, 21792, 23835, 24864, 25197, 25424, 27240, 31080, 31780, 33596, 36320, 38136, 41440, 41995, 47670, 50394, 50848, 54480, 58793, 62160, 63560, 67192, 76272, 83990, 95340, 100788, 108960, 117586, 124320, 125985, 127120, 134384, 152544, 167980, 176379, 190680, 201576, 235172, 251970, 254240, 268768, 293965, 335960, 352758, 381360, 403152, 470344, 503940, 587930, 671920, 705516, 762720, 806304, 881895, 940688, 1007880, 1175860, 1343840, 1411032, 1763790, 1881376, 2015760, 2351720, 2822064, 3527580, 4031520, 4703440, 5644128, 7055160, 9406880, 14110320, 28220640]

約数ペア:

[(1, 28220640), (2, 14110320), (3, 9406880), (4, 7055160), (5, 5644128), (6, 4703440), (7, 4031520), (8, 3527580), (10, 2822064), (12, 2351720), (14, 2015760), (15, 1881376), (16, 1763790), (20, 1411032), (21, 1343840), (24, 1175860), (28, 1007880), (30, 940688), (32, 881895), (35, 806304), (37, 762720), (40, 705516), (42, 671920), (48, 587930), (56, 503940), (60, 470344), (70, 403152), (74, 381360), (80, 352758), (84, 335960), (96, 293965), (105, 268768), (111, 254240), (112, 251970), (120, 235172), (140, 201576), (148, 190680), (160, 176379), (168, 167980), (185, 152544), (210, 134384), (222, 127120), (224, 125985), (227, 124320), (240, 117586), (259, 108960), (280, 100788), (296, 95340), (336, 83990), (370, 76272), (420, 67192), (444, 63560), (454, 62160), (480, 58793), (518, 54480), (555, 50848), (560, 50394), (592, 47670), (672, 41995), (681, 41440), (740, 38136), (777, 36320), (840, 33596), (888, 31780), (908, 31080), (1036, 27240), (1110, 25424), (1120, 25197), (1135, 24864), (1184, 23835), (1295, 21792), (1362, 20720), (1480, 19068), (1554, 18160), (1589, 17760), (1680, 16798), (1776, 15890), (1816, 15540), (2072, 13620), (2220, 12712), (2270, 12432), (2590, 10896), (2724, 10360), (2960, 9534), (3108, 9080), (3178, 8880), (3360, 8399), (3405, 8288), (3552, 7945), (3632, 7770), (3885, 7264), (4144, 6810), (4440, 6356), (4540, 6216), (4767, 5920), (5180, 5448)]