231127920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 240

約数和(自身を含む): 858641472

約数和(自身を除く): 627513552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 68, 69, 72, 80, 85, 90, 92, 102, 115, 120, 136, 138, 144, 153, 170, 180, 184, 204, 207, 230, 240, 255, 272, 276, 306, 340, 345, 360, 368, 391, 408, 414, 460, 510, 552, 612, 680, 690, 720, 765, 782, 816, 821, 828, 920, 1020, 1035, 1104, 1173, 1224, 1360, 1380, 1530, 1564, 1642, 1656, 1840, 1955, 2040, 2070, 2346, 2448, 2463, 2760, 3060, 3128, 3284, 3312, 3519, 3910, 4080, 4105, 4140, 4692, 4926, 5520, 5865, 6120, 6256, 6568, 7038, 7389, 7820, 8210, 8280, 9384, 9852, 11730, 12240, 12315, 13136, 13957, 14076, 14778, 15640, 16420, 16560, 17595, 18768, 18883, 19704, 23460, 24630, 27914, 28152, 29556, 31280, 32840, 35190, 36945, 37766, 39408, 41871, 46920, 49260, 55828, 56304, 56649, 59112, 65680, 69785, 70380, 73890, 75532, 83742, 93840, 94415, 98520, 111656, 113298, 118224, 125613, 139570, 140760, 147780, 151064, 167484, 169947, 188830, 197040, 209355, 223312, 226596, 251226, 279140, 281520, 283245, 295560, 302128, 321011, 334968, 339894, 377660, 418710, 453192, 502452, 558280, 566490, 591120, 628065, 642022, 669936, 679788, 755320, 837420, 849735, 906384, 963033, 1004904, 1116560, 1132980, 1256130, 1284044, 1359576, 1510640, 1605055, 1674840, 1699470, 1926066, 2009808, 2265960, 2512260, 2568088, 2719152, 2889099, 3210110, 3349680, 3398940, 3852132, 4531920, 4815165, 5024520, 5136176, 5778198, 6420220, 6797880, 7704264, 9630330, 10049040, 11556396, 12840440, 13595760, 14445495, 15408528, 19260660, 23112792, 25680880, 28890990, 38521320, 46225584, 57781980, 77042640, 115563960, 231127920]

約数ペア:

[(1, 231127920), (2, 115563960), (3, 77042640), (4, 57781980), (5, 46225584), (6, 38521320), (8, 28890990), (9, 25680880), (10, 23112792), (12, 19260660), (15, 15408528), (16, 14445495), (17, 13595760), (18, 12840440), (20, 11556396), (23, 10049040), (24, 9630330), (30, 7704264), (34, 6797880), (36, 6420220), (40, 5778198), (45, 5136176), (46, 5024520), (48, 4815165), (51, 4531920), (60, 3852132), (68, 3398940), (69, 3349680), (72, 3210110), (80, 2889099), (85, 2719152), (90, 2568088), (92, 2512260), (102, 2265960), (115, 2009808), (120, 1926066), (136, 1699470), (138, 1674840), (144, 1605055), (153, 1510640), (170, 1359576), (180, 1284044), (184, 1256130), (204, 1132980), (207, 1116560), (230, 1004904), (240, 963033), (255, 906384), (272, 849735), (276, 837420), (306, 755320), (340, 679788), (345, 669936), (360, 642022), (368, 628065), (391, 591120), (408, 566490), (414, 558280), (460, 502452), (510, 453192), (552, 418710), (612, 377660), (680, 339894), (690, 334968), (720, 321011), (765, 302128), (782, 295560), (816, 283245), (821, 281520), (828, 279140), (920, 251226), (1020, 226596), (1035, 223312), (1104, 209355), (1173, 197040), (1224, 188830), (1360, 169947), (1380, 167484), (1530, 151064), (1564, 147780), (1642, 140760), (1656, 139570), (1840, 125613), (1955, 118224), (2040, 113298), (2070, 111656), (2346, 98520), (2448, 94415), (2463, 93840), (2760, 83742), (3060, 75532), (3128, 73890), (3284, 70380), (3312, 69785), (3519, 65680), (3910, 59112), (4080, 56649), (4105, 56304), (4140, 55828), (4692, 49260), (4926, 46920), (5520, 41871), (5865, 39408), (6120, 37766), (6256, 36945), (6568, 35190), (7038, 32840), (7389, 31280), (7820, 29556), (8210, 28152), (8280, 27914), (9384, 24630), (9852, 23460), (11730, 19704), (12240, 18883), (12315, 18768), (13136, 17595), (13957, 16560), (14076, 16420), (14778, 15640)]