2128128840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:756

約数の個数: 192

約数和(自身を含む): 7062681600

約数和(自身を除く): 4934552760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 127, 178, 180, 254, 267, 356, 360, 381, 445, 508, 523, 534, 635, 712, 762, 801, 890, 1016, 1046, 1068, 1143, 1270, 1335, 1524, 1569, 1602, 1780, 1905, 2092, 2136, 2286, 2540, 2615, 2670, 3048, 3138, 3204, 3560, 3810, 4005, 4184, 4572, 4707, 5080, 5230, 5340, 5715, 6276, 6408, 7620, 7845, 8010, 9144, 9414, 10460, 10680, 11303, 11430, 12552, 15240, 15690, 16020, 18828, 20920, 22606, 22860, 23535, 31380, 32040, 33909, 37656, 45212, 45720, 46547, 47070, 56515, 62760, 66421, 67818, 90424, 93094, 94140, 101727, 113030, 132842, 135636, 139641, 169545, 186188, 188280, 199263, 203454, 226060, 232735, 265684, 271272, 279282, 332105, 339090, 372376, 398526, 406908, 418923, 452120, 465470, 508635, 531368, 558564, 597789, 664210, 678180, 698205, 797052, 813816, 837846, 930940, 996315, 1017270, 1117128, 1195578, 1328420, 1356360, 1396410, 1594104, 1675692, 1861880, 1992630, 2034540, 2094615, 2391156, 2656840, 2792820, 2988945, 3351384, 3985260, 4069080, 4189230, 4782312, 5585640, 5911469, 5977890, 7970520, 8378460, 11822938, 11955780, 16756920, 17734407, 23645876, 23911560, 29557345, 35468814, 47291752, 53203221, 59114690, 70937628, 88672035, 106406442, 118229380, 141875256, 177344070, 212812884, 236458760, 266016105, 354688140, 425625768, 532032210, 709376280, 1064064420, 2128128840]

約数ペア:

[(1, 2128128840), (2, 1064064420), (3, 709376280), (4, 532032210), (5, 425625768), (6, 354688140), (8, 266016105), (9, 236458760), (10, 212812884), (12, 177344070), (15, 141875256), (18, 118229380), (20, 106406442), (24, 88672035), (30, 70937628), (36, 59114690), (40, 53203221), (45, 47291752), (60, 35468814), (72, 29557345), (89, 23911560), (90, 23645876), (120, 17734407), (127, 16756920), (178, 11955780), (180, 11822938), (254, 8378460), (267, 7970520), (356, 5977890), (360, 5911469), (381, 5585640), (445, 4782312), (508, 4189230), (523, 4069080), (534, 3985260), (635, 3351384), (712, 2988945), (762, 2792820), (801, 2656840), (890, 2391156), (1016, 2094615), (1046, 2034540), (1068, 1992630), (1143, 1861880), (1270, 1675692), (1335, 1594104), (1524, 1396410), (1569, 1356360), (1602, 1328420), (1780, 1195578), (1905, 1117128), (2092, 1017270), (2136, 996315), (2286, 930940), (2540, 837846), (2615, 813816), (2670, 797052), (3048, 698205), (3138, 678180), (3204, 664210), (3560, 597789), (3810, 558564), (4005, 531368), (4184, 508635), (4572, 465470), (4707, 452120), (5080, 418923), (5230, 406908), (5340, 398526), (5715, 372376), (6276, 339090), (6408, 332105), (7620, 279282), (7845, 271272), (8010, 265684), (9144, 232735), (9414, 226060), (10460, 203454), (10680, 199263), (11303, 188280), (11430, 186188), (12552, 169545), (15240, 139641), (15690, 135636), (16020, 132842), (18828, 113030), (20920, 101727), (22606, 94140), (22860, 93094), (23535, 90424), (31380, 67818), (32040, 66421), (33909, 62760), (37656, 56515), (45212, 47070), (45720, 46547)]