331481520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 240

約数和(自身を含む): 1195227072

約数和(自身を除く): 863745552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 48, 60, 69, 72, 74, 80, 90, 92, 111, 115, 120, 138, 144, 148, 180, 184, 185, 207, 222, 230, 240, 276, 296, 333, 345, 360, 368, 370, 414, 444, 460, 541, 552, 555, 592, 666, 690, 720, 740, 828, 851, 888, 920, 1035, 1082, 1104, 1110, 1332, 1380, 1480, 1623, 1656, 1665, 1702, 1776, 1840, 2070, 2164, 2220, 2553, 2664, 2705, 2760, 2960, 3246, 3312, 3330, 3404, 4140, 4255, 4328, 4440, 4869, 5106, 5328, 5410, 5520, 6492, 6660, 6808, 7659, 8115, 8280, 8510, 8656, 8880, 9738, 10212, 10820, 12443, 12765, 12984, 13320, 13616, 15318, 16230, 16560, 17020, 19476, 20017, 20424, 21640, 24345, 24886, 25530, 25968, 26640, 30636, 32460, 34040, 37329, 38295, 38952, 40034, 40848, 43280, 48690, 49772, 51060, 60051, 61272, 62215, 64920, 68080, 74658, 76590, 77904, 80068, 97380, 99544, 100085, 102120, 111987, 120102, 122544, 124430, 129840, 149316, 153180, 160136, 180153, 186645, 194760, 199088, 200170, 204240, 223974, 240204, 248860, 298632, 300255, 306360, 320272, 360306, 373290, 389520, 400340, 447948, 460391, 480408, 497720, 559935, 597264, 600510, 612720, 720612, 746580, 800680, 895896, 900765, 920782, 960816, 995440, 1119870, 1201020, 1381173, 1441224, 1493160, 1601360, 1791792, 1801530, 1841564, 2239740, 2301955, 2402040, 2762346, 2882448, 2986320, 3603060, 3683128, 4143519, 4479480, 4603910, 4804080, 5524692, 6905865, 7206120, 7366256, 8287038, 8958960, 9207820, 11049384, 13811730, 14412240, 16574076, 18415640, 20717595, 22098768, 27623460, 33148152, 36831280, 41435190, 55246920, 66296304, 82870380, 110493840, 165740760, 331481520]

約数ペア:

[(1, 331481520), (2, 165740760), (3, 110493840), (4, 82870380), (5, 66296304), (6, 55246920), (8, 41435190), (9, 36831280), (10, 33148152), (12, 27623460), (15, 22098768), (16, 20717595), (18, 18415640), (20, 16574076), (23, 14412240), (24, 13811730), (30, 11049384), (36, 9207820), (37, 8958960), (40, 8287038), (45, 7366256), (46, 7206120), (48, 6905865), (60, 5524692), (69, 4804080), (72, 4603910), (74, 4479480), (80, 4143519), (90, 3683128), (92, 3603060), (111, 2986320), (115, 2882448), (120, 2762346), (138, 2402040), (144, 2301955), (148, 2239740), (180, 1841564), (184, 1801530), (185, 1791792), (207, 1601360), (222, 1493160), (230, 1441224), (240, 1381173), (276, 1201020), (296, 1119870), (333, 995440), (345, 960816), (360, 920782), (368, 900765), (370, 895896), (414, 800680), (444, 746580), (460, 720612), (541, 612720), (552, 600510), (555, 597264), (592, 559935), (666, 497720), (690, 480408), (720, 460391), (740, 447948), (828, 400340), (851, 389520), (888, 373290), (920, 360306), (1035, 320272), (1082, 306360), (1104, 300255), (1110, 298632), (1332, 248860), (1380, 240204), (1480, 223974), (1623, 204240), (1656, 200170), (1665, 199088), (1702, 194760), (1776, 186645), (1840, 180153), (2070, 160136), (2164, 153180), (2220, 149316), (2553, 129840), (2664, 124430), (2705, 122544), (2760, 120102), (2960, 111987), (3246, 102120), (3312, 100085), (3330, 99544), (3404, 97380), (4140, 80068), (4255, 77904), (4328, 76590), (4440, 74658), (4869, 68080), (5106, 64920), (5328, 62215), (5410, 61272), (5520, 60051), (6492, 51060), (6660, 49772), (6808, 48690), (7659, 43280), (8115, 40848), (8280, 40034), (8510, 38952), (8656, 38295), (8880, 37329), (9738, 34040), (10212, 32460), (10820, 30636), (12443, 26640), (12765, 25968), (12984, 25530), (13320, 24886), (13616, 24345), (15318, 21640), (16230, 20424), (16560, 20017), (17020, 19476)]