1279221120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:618

約数の個数: 256

約数和(自身を含む): 4566744000

約数和(自身を除く): 3287522880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 181, 192, 216, 240, 270, 288, 320, 360, 362, 384, 409, 432, 480, 540, 543, 576, 640, 720, 724, 818, 864, 905, 960, 1080, 1086, 1152, 1227, 1440, 1448, 1629, 1636, 1728, 1810, 1920, 2045, 2160, 2172, 2454, 2715, 2880, 2896, 3258, 3272, 3456, 3620, 3681, 4090, 4320, 4344, 4887, 4908, 5430, 5760, 5792, 6135, 6516, 6544, 7240, 7362, 8145, 8180, 8640, 8688, 9774, 9816, 10860, 11043, 11584, 12270, 13032, 13088, 14480, 14724, 16290, 16360, 17280, 17376, 18405, 19548, 19632, 21720, 22086, 23168, 24435, 24540, 26064, 26176, 28960, 29448, 32580, 32720, 34752, 36810, 39096, 39264, 43440, 44172, 48870, 49080, 52128, 52352, 55215, 57920, 58896, 65160, 65440, 69504, 73620, 74029, 78192, 78528, 86880, 88344, 97740, 98160, 104256, 110430, 115840, 117792, 130320, 130880, 147240, 148058, 156384, 157056, 173760, 176688, 195480, 196320, 208512, 220860, 222087, 235584, 260640, 261760, 294480, 296116, 312768, 347520, 353376, 370145, 390960, 392640, 441720, 444174, 471168, 521280, 588960, 592232, 625536, 666261, 706752, 740290, 781920, 785280, 883440, 888348, 1042560, 1110435, 1177920, 1184464, 1332522, 1413504, 1480580, 1563840, 1766880, 1776696, 1998783, 2220870, 2355840, 2368928, 2665044, 2961160, 3127680, 3331305, 3533760, 3553392, 3997566, 4441740, 4737856, 5330088, 5922320, 6662610, 7067520, 7106784, 7995132, 8883480, 9475712, 9993915, 10660176, 11844640, 13325220, 14213568, 15990264, 17766960, 19987830, 21320352, 23689280, 26650440, 28427136, 31980528, 35533920, 39975660, 42640704, 47378560, 53300880, 63961056, 71067840, 79951320, 85281408, 106601760, 127922112, 142135680, 159902640, 213203520, 255844224, 319805280, 426407040, 639610560, 1279221120]

約数ペア:

[(1, 1279221120), (2, 639610560), (3, 426407040), (4, 319805280), (5, 255844224), (6, 213203520), (8, 159902640), (9, 142135680), (10, 127922112), (12, 106601760), (15, 85281408), (16, 79951320), (18, 71067840), (20, 63961056), (24, 53300880), (27, 47378560), (30, 42640704), (32, 39975660), (36, 35533920), (40, 31980528), (45, 28427136), (48, 26650440), (54, 23689280), (60, 21320352), (64, 19987830), (72, 17766960), (80, 15990264), (90, 14213568), (96, 13325220), (108, 11844640), (120, 10660176), (128, 9993915), (135, 9475712), (144, 8883480), (160, 7995132), (180, 7106784), (181, 7067520), (192, 6662610), (216, 5922320), (240, 5330088), (270, 4737856), (288, 4441740), (320, 3997566), (360, 3553392), (362, 3533760), (384, 3331305), (409, 3127680), (432, 2961160), (480, 2665044), (540, 2368928), (543, 2355840), (576, 2220870), (640, 1998783), (720, 1776696), (724, 1766880), (818, 1563840), (864, 1480580), (905, 1413504), (960, 1332522), (1080, 1184464), (1086, 1177920), (1152, 1110435), (1227, 1042560), (1440, 888348), (1448, 883440), (1629, 785280), (1636, 781920), (1728, 740290), (1810, 706752), (1920, 666261), (2045, 625536), (2160, 592232), (2172, 588960), (2454, 521280), (2715, 471168), (2880, 444174), (2896, 441720), (3258, 392640), (3272, 390960), (3456, 370145), (3620, 353376), (3681, 347520), (4090, 312768), (4320, 296116), (4344, 294480), (4887, 261760), (4908, 260640), (5430, 235584), (5760, 222087), (5792, 220860), (6135, 208512), (6516, 196320), (6544, 195480), (7240, 176688), (7362, 173760), (8145, 157056), (8180, 156384), (8640, 148058), (8688, 147240), (9774, 130880), (9816, 130320), (10860, 117792), (11043, 115840), (11584, 110430), (12270, 104256), (13032, 98160), (13088, 97740), (14480, 88344), (14724, 86880), (16290, 78528), (16360, 78192), (17280, 74029), (17376, 73620), (18405, 69504), (19548, 65440), (19632, 65160), (21720, 58896), (22086, 57920), (23168, 55215), (24435, 52352), (24540, 52128), (26064, 49080), (26176, 48870), (28960, 44172), (29448, 43440), (32580, 39264), (32720, 39096), (34752, 36810)]