25017720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 256

約数和(自身を含む): 96768000

約数和(自身を除く): 71750280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 79, 84, 87, 91, 104, 105, 116, 120, 130, 140, 145, 156, 158, 168, 174, 182, 195, 203, 210, 232, 237, 260, 273, 280, 290, 312, 316, 348, 364, 377, 390, 395, 406, 420, 435, 455, 474, 520, 546, 553, 580, 609, 632, 696, 728, 754, 780, 790, 812, 840, 870, 910, 948, 1015, 1027, 1092, 1106, 1131, 1160, 1185, 1218, 1365, 1508, 1560, 1580, 1624, 1659, 1740, 1820, 1885, 1896, 2030, 2054, 2184, 2212, 2262, 2291, 2370, 2436, 2639, 2730, 2765, 3016, 3045, 3081, 3160, 3318, 3480, 3640, 3770, 4060, 4108, 4424, 4524, 4582, 4740, 4872, 5135, 5278, 5460, 5530, 5655, 6090, 6162, 6636, 6873, 7189, 7540, 7917, 8120, 8216, 8295, 9048, 9164, 9480, 10270, 10556, 10920, 11060, 11310, 11455, 12180, 12324, 13195, 13272, 13746, 14378, 15080, 15405, 15834, 16037, 16590, 18328, 20540, 21112, 21567, 22120, 22620, 22910, 24360, 24648, 26390, 27492, 28756, 29783, 30810, 31668, 32074, 33180, 34365, 35945, 39585, 41080, 43134, 45240, 45820, 48111, 52780, 54984, 57512, 59566, 61620, 63336, 64148, 66360, 68730, 71890, 79170, 80185, 86268, 89349, 91640, 96222, 105560, 107835, 119132, 123240, 128296, 137460, 143780, 148915, 158340, 160370, 172536, 178698, 192444, 208481, 215670, 238264, 240555, 274920, 287560, 297830, 316680, 320740, 357396, 384888, 416962, 431340, 446745, 481110, 595660, 625443, 641480, 714792, 833924, 862680, 893490, 962220, 1042405, 1191320, 1250886, 1667848, 1786980, 1924440, 2084810, 2501772, 3127215, 3573960, 4169620, 5003544, 6254430, 8339240, 12508860, 25017720]

約数ペア:

[(1, 25017720), (2, 12508860), (3, 8339240), (4, 6254430), (5, 5003544), (6, 4169620), (7, 3573960), (8, 3127215), (10, 2501772), (12, 2084810), (13, 1924440), (14, 1786980), (15, 1667848), (20, 1250886), (21, 1191320), (24, 1042405), (26, 962220), (28, 893490), (29, 862680), (30, 833924), (35, 714792), (39, 641480), (40, 625443), (42, 595660), (52, 481110), (56, 446745), (58, 431340), (60, 416962), (65, 384888), (70, 357396), (78, 320740), (79, 316680), (84, 297830), (87, 287560), (91, 274920), (104, 240555), (105, 238264), (116, 215670), (120, 208481), (130, 192444), (140, 178698), (145, 172536), (156, 160370), (158, 158340), (168, 148915), (174, 143780), (182, 137460), (195, 128296), (203, 123240), (210, 119132), (232, 107835), (237, 105560), (260, 96222), (273, 91640), (280, 89349), (290, 86268), (312, 80185), (316, 79170), (348, 71890), (364, 68730), (377, 66360), (390, 64148), (395, 63336), (406, 61620), (420, 59566), (435, 57512), (455, 54984), (474, 52780), (520, 48111), (546, 45820), (553, 45240), (580, 43134), (609, 41080), (632, 39585), (696, 35945), (728, 34365), (754, 33180), (780, 32074), (790, 31668), (812, 30810), (840, 29783), (870, 28756), (910, 27492), (948, 26390), (1015, 24648), (1027, 24360), (1092, 22910), (1106, 22620), (1131, 22120), (1160, 21567), (1185, 21112), (1218, 20540), (1365, 18328), (1508, 16590), (1560, 16037), (1580, 15834), (1624, 15405), (1659, 15080), (1740, 14378), (1820, 13746), (1885, 13272), (1896, 13195), (2030, 12324), (2054, 12180), (2184, 11455), (2212, 11310), (2262, 11060), (2291, 10920), (2370, 10556), (2436, 10270), (2639, 9480), (2730, 9164), (2765, 9048), (3016, 8295), (3045, 8216), (3081, 8120), (3160, 7917), (3318, 7540), (3480, 7189), (3640, 6873), (3770, 6636), (4060, 6162), (4108, 6090), (4424, 5655), (4524, 5530), (4582, 5460), (4740, 5278), (4872, 5135)]