428757720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2633}}^1$

素因数の和:2729

約数の個数: 128

約数和(自身を含む): 1365465600

約数和(自身を除く): 936707880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 230, 236, 276, 295, 345, 354, 460, 472, 552, 590, 690, 708, 885, 920, 1180, 1357, 1380, 1416, 1770, 2360, 2633, 2714, 2760, 3540, 4071, 5266, 5428, 6785, 7080, 7899, 8142, 10532, 10856, 13165, 13570, 15798, 16284, 20355, 21064, 26330, 27140, 31596, 32568, 39495, 40710, 52660, 54280, 60559, 63192, 78990, 81420, 105320, 121118, 155347, 157980, 162840, 181677, 242236, 302795, 310694, 315960, 363354, 466041, 484472, 605590, 621388, 726708, 776735, 908385, 932082, 1211180, 1242776, 1453416, 1553470, 1816770, 1864164, 2330205, 2422360, 3106940, 3572981, 3633540, 3728328, 4660410, 6213880, 7145962, 7267080, 9320820, 10718943, 14291924, 17864905, 18641640, 21437886, 28583848, 35729810, 42875772, 53594715, 71459620, 85751544, 107189430, 142919240, 214378860, 428757720]

約数ペア:

[(1, 428757720), (2, 214378860), (3, 142919240), (4, 107189430), (5, 85751544), (6, 71459620), (8, 53594715), (10, 42875772), (12, 35729810), (15, 28583848), (20, 21437886), (23, 18641640), (24, 17864905), (30, 14291924), (40, 10718943), (46, 9320820), (59, 7267080), (60, 7145962), (69, 6213880), (92, 4660410), (115, 3728328), (118, 3633540), (120, 3572981), (138, 3106940), (177, 2422360), (184, 2330205), (230, 1864164), (236, 1816770), (276, 1553470), (295, 1453416), (345, 1242776), (354, 1211180), (460, 932082), (472, 908385), (552, 776735), (590, 726708), (690, 621388), (708, 605590), (885, 484472), (920, 466041), (1180, 363354), (1357, 315960), (1380, 310694), (1416, 302795), (1770, 242236), (2360, 181677), (2633, 162840), (2714, 157980), (2760, 155347), (3540, 121118), (4071, 105320), (5266, 81420), (5428, 78990), (6785, 63192), (7080, 60559), (7899, 54280), (8142, 52660), (10532, 40710), (10856, 39495), (13165, 32568), (13570, 31596), (15798, 27140), (16284, 26330), (20355, 21064)]