245624820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:630

約数の個数: 192

約数和(自身を含む): 839172096

約数和(自身を除く): 593547276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 47, 60, 69, 70, 84, 92, 94, 105, 115, 138, 140, 141, 161, 188, 210, 230, 235, 276, 282, 322, 329, 345, 420, 460, 470, 483, 541, 564, 644, 658, 690, 705, 805, 940, 966, 987, 1081, 1082, 1316, 1380, 1410, 1610, 1623, 1645, 1932, 1974, 2162, 2164, 2415, 2705, 2820, 3220, 3243, 3246, 3290, 3787, 3948, 4324, 4830, 4935, 5405, 5410, 6486, 6492, 6580, 7567, 7574, 8115, 9660, 9870, 10810, 10820, 11361, 12443, 12972, 15134, 15148, 16215, 16230, 18935, 19740, 21620, 22701, 22722, 24886, 25427, 30268, 32430, 32460, 37329, 37835, 37870, 45402, 45444, 49772, 50854, 56805, 62215, 64860, 74658, 75670, 75740, 76281, 87101, 90804, 101708, 113505, 113610, 124430, 127135, 149316, 151340, 152562, 174202, 177989, 186645, 227010, 227220, 248860, 254270, 261303, 305124, 348404, 355978, 373290, 381405, 435505, 454020, 508540, 522606, 533967, 584821, 711956, 746580, 762810, 871010, 889945, 1045212, 1067934, 1169642, 1306515, 1525620, 1742020, 1754463, 1779890, 2135868, 2339284, 2613030, 2669835, 2924105, 3508926, 3559780, 4093747, 5226060, 5339670, 5848210, 7017852, 8187494, 8772315, 10679340, 11696420, 12281241, 16374988, 17544630, 20468735, 24562482, 35089260, 40937470, 49124964, 61406205, 81874940, 122812410, 245624820]

約数ペア:

[(1, 245624820), (2, 122812410), (3, 81874940), (4, 61406205), (5, 49124964), (6, 40937470), (7, 35089260), (10, 24562482), (12, 20468735), (14, 17544630), (15, 16374988), (20, 12281241), (21, 11696420), (23, 10679340), (28, 8772315), (30, 8187494), (35, 7017852), (42, 5848210), (46, 5339670), (47, 5226060), (60, 4093747), (69, 3559780), (70, 3508926), (84, 2924105), (92, 2669835), (94, 2613030), (105, 2339284), (115, 2135868), (138, 1779890), (140, 1754463), (141, 1742020), (161, 1525620), (188, 1306515), (210, 1169642), (230, 1067934), (235, 1045212), (276, 889945), (282, 871010), (322, 762810), (329, 746580), (345, 711956), (420, 584821), (460, 533967), (470, 522606), (483, 508540), (541, 454020), (564, 435505), (644, 381405), (658, 373290), (690, 355978), (705, 348404), (805, 305124), (940, 261303), (966, 254270), (987, 248860), (1081, 227220), (1082, 227010), (1316, 186645), (1380, 177989), (1410, 174202), (1610, 152562), (1623, 151340), (1645, 149316), (1932, 127135), (1974, 124430), (2162, 113610), (2164, 113505), (2415, 101708), (2705, 90804), (2820, 87101), (3220, 76281), (3243, 75740), (3246, 75670), (3290, 74658), (3787, 64860), (3948, 62215), (4324, 56805), (4830, 50854), (4935, 49772), (5405, 45444), (5410, 45402), (6486, 37870), (6492, 37835), (6580, 37329), (7567, 32460), (7574, 32430), (8115, 30268), (9660, 25427), (9870, 24886), (10810, 22722), (10820, 22701), (11361, 21620), (12443, 19740), (12972, 18935), (15134, 16230), (15148, 16215)]