123411840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 256

約数和(自身を含む): 440640000

約数和(自身を除く): 317228160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 199, 204, 228, 240, 255, 272, 285, 304, 320, 323, 340, 380, 384, 398, 408, 456, 480, 510, 544, 570, 597, 608, 640, 646, 680, 760, 796, 816, 912, 960, 969, 995, 1020, 1088, 1140, 1194, 1216, 1292, 1360, 1520, 1592, 1615, 1632, 1824, 1920, 1938, 1990, 2040, 2176, 2280, 2388, 2432, 2584, 2720, 2985, 3040, 3184, 3230, 3264, 3383, 3648, 3781, 3876, 3980, 4080, 4560, 4776, 4845, 5168, 5440, 5970, 6080, 6368, 6460, 6528, 6766, 7296, 7562, 7752, 7960, 8160, 9120, 9552, 9690, 10149, 10336, 10880, 11343, 11940, 12160, 12736, 12920, 13532, 15124, 15504, 15920, 16320, 16915, 18240, 18905, 19104, 19380, 20298, 20672, 22686, 23880, 25472, 25840, 27064, 30248, 31008, 31840, 32640, 33830, 36480, 37810, 38208, 38760, 40596, 41344, 45372, 47760, 50745, 51680, 54128, 56715, 60496, 62016, 63680, 64277, 67660, 75620, 76416, 77520, 81192, 90744, 95520, 101490, 103360, 108256, 113430, 120992, 124032, 127360, 128554, 135320, 151240, 155040, 162384, 181488, 191040, 192831, 202980, 206720, 216512, 226860, 241984, 257108, 270640, 302480, 310080, 321385, 324768, 362976, 382080, 385662, 405960, 433024, 453720, 483968, 514216, 541280, 604960, 620160, 642770, 649536, 725952, 771324, 811920, 907440, 964155, 1028432, 1082560, 1209920, 1285540, 1299072, 1451904, 1542648, 1623840, 1814880, 1928310, 2056864, 2165120, 2419840, 2571080, 3085296, 3247680, 3629760, 3856620, 4113728, 5142160, 6170592, 6495360, 7259520, 7713240, 8227456, 10284320, 12341184, 15426480, 20568640, 24682368, 30852960, 41137280, 61705920, 123411840]

約数ペア:

[(1, 123411840), (2, 61705920), (3, 41137280), (4, 30852960), (5, 24682368), (6, 20568640), (8, 15426480), (10, 12341184), (12, 10284320), (15, 8227456), (16, 7713240), (17, 7259520), (19, 6495360), (20, 6170592), (24, 5142160), (30, 4113728), (32, 3856620), (34, 3629760), (38, 3247680), (40, 3085296), (48, 2571080), (51, 2419840), (57, 2165120), (60, 2056864), (64, 1928310), (68, 1814880), (76, 1623840), (80, 1542648), (85, 1451904), (95, 1299072), (96, 1285540), (102, 1209920), (114, 1082560), (120, 1028432), (128, 964155), (136, 907440), (152, 811920), (160, 771324), (170, 725952), (190, 649536), (192, 642770), (199, 620160), (204, 604960), (228, 541280), (240, 514216), (255, 483968), (272, 453720), (285, 433024), (304, 405960), (320, 385662), (323, 382080), (340, 362976), (380, 324768), (384, 321385), (398, 310080), (408, 302480), (456, 270640), (480, 257108), (510, 241984), (544, 226860), (570, 216512), (597, 206720), (608, 202980), (640, 192831), (646, 191040), (680, 181488), (760, 162384), (796, 155040), (816, 151240), (912, 135320), (960, 128554), (969, 127360), (995, 124032), (1020, 120992), (1088, 113430), (1140, 108256), (1194, 103360), (1216, 101490), (1292, 95520), (1360, 90744), (1520, 81192), (1592, 77520), (1615, 76416), (1632, 75620), (1824, 67660), (1920, 64277), (1938, 63680), (1990, 62016), (2040, 60496), (2176, 56715), (2280, 54128), (2388, 51680), (2432, 50745), (2584, 47760), (2720, 45372), (2985, 41344), (3040, 40596), (3184, 38760), (3230, 38208), (3264, 37810), (3383, 36480), (3648, 33830), (3781, 32640), (3876, 31840), (3980, 31008), (4080, 30248), (4560, 27064), (4776, 25840), (4845, 25472), (5168, 23880), (5440, 22686), (5970, 20672), (6080, 20298), (6368, 19380), (6460, 19104), (6528, 18905), (6766, 18240), (7296, 16915), (7562, 16320), (7752, 15920), (7960, 15504), (8160, 15124), (9120, 13532), (9552, 12920), (9690, 12736), (10149, 12160), (10336, 11940), (10880, 11343)]