25979940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 97574400

約数和(自身を除く): 71594460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 79, 81, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 158, 162, 174, 180, 189, 203, 210, 237, 252, 261, 270, 290, 315, 316, 324, 348, 378, 395, 405, 406, 420, 435, 474, 522, 540, 553, 567, 580, 609, 630, 711, 756, 783, 790, 810, 812, 870, 945, 948, 1015, 1044, 1106, 1134, 1185, 1218, 1260, 1305, 1422, 1566, 1580, 1620, 1659, 1740, 1827, 1890, 2030, 2133, 2212, 2268, 2291, 2349, 2370, 2436, 2610, 2765, 2835, 2844, 3045, 3132, 3318, 3555, 3654, 3780, 3915, 4060, 4266, 4582, 4698, 4740, 4977, 5220, 5481, 5530, 5670, 6090, 6399, 6636, 6873, 7110, 7308, 7830, 8295, 8532, 9135, 9164, 9396, 9954, 10665, 10962, 11060, 11340, 11455, 11745, 12180, 12798, 13746, 14220, 14931, 15660, 16037, 16443, 16590, 18270, 19908, 20619, 21330, 21924, 22910, 23490, 24885, 25596, 27405, 27492, 29862, 31995, 32074, 32886, 33180, 34365, 36540, 41238, 42660, 44793, 45820, 46980, 48111, 49770, 54810, 59724, 61857, 63990, 64148, 65772, 68730, 74655, 80185, 82215, 82476, 89586, 96222, 99540, 103095, 109620, 123714, 127980, 137460, 144333, 149310, 160370, 164430, 179172, 185571, 192444, 206190, 223965, 240555, 247428, 288666, 298620, 309285, 320740, 328860, 371142, 412380, 432999, 447930, 481110, 577332, 618570, 721665, 742284, 865998, 895860, 927855, 962220, 1237140, 1298997, 1443330, 1731996, 1855710, 2164995, 2597994, 2886660, 3711420, 4329990, 5195988, 6494985, 8659980, 12989970, 25979940]

約数ペア:

[(1, 25979940), (2, 12989970), (3, 8659980), (4, 6494985), (5, 5195988), (6, 4329990), (7, 3711420), (9, 2886660), (10, 2597994), (12, 2164995), (14, 1855710), (15, 1731996), (18, 1443330), (20, 1298997), (21, 1237140), (27, 962220), (28, 927855), (29, 895860), (30, 865998), (35, 742284), (36, 721665), (42, 618570), (45, 577332), (54, 481110), (58, 447930), (60, 432999), (63, 412380), (70, 371142), (79, 328860), (81, 320740), (84, 309285), (87, 298620), (90, 288666), (105, 247428), (108, 240555), (116, 223965), (126, 206190), (135, 192444), (140, 185571), (145, 179172), (158, 164430), (162, 160370), (174, 149310), (180, 144333), (189, 137460), (203, 127980), (210, 123714), (237, 109620), (252, 103095), (261, 99540), (270, 96222), (290, 89586), (315, 82476), (316, 82215), (324, 80185), (348, 74655), (378, 68730), (395, 65772), (405, 64148), (406, 63990), (420, 61857), (435, 59724), (474, 54810), (522, 49770), (540, 48111), (553, 46980), (567, 45820), (580, 44793), (609, 42660), (630, 41238), (711, 36540), (756, 34365), (783, 33180), (790, 32886), (810, 32074), (812, 31995), (870, 29862), (945, 27492), (948, 27405), (1015, 25596), (1044, 24885), (1106, 23490), (1134, 22910), (1185, 21924), (1218, 21330), (1260, 20619), (1305, 19908), (1422, 18270), (1566, 16590), (1580, 16443), (1620, 16037), (1659, 15660), (1740, 14931), (1827, 14220), (1890, 13746), (2030, 12798), (2133, 12180), (2212, 11745), (2268, 11455), (2291, 11340), (2349, 11060), (2370, 10962), (2436, 10665), (2610, 9954), (2765, 9396), (2835, 9164), (2844, 9135), (3045, 8532), (3132, 8295), (3318, 7830), (3555, 7308), (3654, 7110), (3780, 6873), (3915, 6636), (4060, 6399), (4266, 6090), (4582, 5670), (4698, 5530), (4740, 5481), (4977, 5220)]