17780280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 62138880

約数和(自身を除く): 44358600

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, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 347, 366, 420, 427, 488, 610, 694, 732, 840, 854, 915, 1041, 1220, 1281, 1388, 1464, 1708, 1735, 1830, 2082, 2135, 2429, 2440, 2562, 2776, 3416, 3470, 3660, 4164, 4270, 4858, 5124, 5205, 6405, 6940, 7287, 7320, 8328, 8540, 9716, 10248, 10410, 12145, 12810, 13880, 14574, 17080, 19432, 20820, 21167, 24290, 25620, 29148, 36435, 41640, 42334, 48580, 51240, 58296, 63501, 72870, 84668, 97160, 105835, 127002, 145740, 148169, 169336, 211670, 254004, 291480, 296338, 317505, 423340, 444507, 508008, 592676, 635010, 740845, 846680, 889014, 1185352, 1270020, 1481690, 1778028, 2222535, 2540040, 2963380, 3556056, 4445070, 5926760, 8890140, 17780280]

約数ペア:

[(1, 17780280), (2, 8890140), (3, 5926760), (4, 4445070), (5, 3556056), (6, 2963380), (7, 2540040), (8, 2222535), (10, 1778028), (12, 1481690), (14, 1270020), (15, 1185352), (20, 889014), (21, 846680), (24, 740845), (28, 635010), (30, 592676), (35, 508008), (40, 444507), (42, 423340), (56, 317505), (60, 296338), (61, 291480), (70, 254004), (84, 211670), (105, 169336), (120, 148169), (122, 145740), (140, 127002), (168, 105835), (183, 97160), (210, 84668), (244, 72870), (280, 63501), (305, 58296), (347, 51240), (366, 48580), (420, 42334), (427, 41640), (488, 36435), (610, 29148), (694, 25620), (732, 24290), (840, 21167), (854, 20820), (915, 19432), (1041, 17080), (1220, 14574), (1281, 13880), (1388, 12810), (1464, 12145), (1708, 10410), (1735, 10248), (1830, 9716), (2082, 8540), (2135, 8328), (2429, 7320), (2440, 7287), (2562, 6940), (2776, 6405), (3416, 5205), (3470, 5124), (3660, 4858), (4164, 4270)]