1997546880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{148627}}^1$

素因数の和:148656

約数の個数: 128

約数和(自身を含む): 7276826880

約数和(自身を除く): 5279280000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 148627, 297254, 445881, 594508, 743135, 891762, 1040389, 1189016, 1486270, 1783524, 2080778, 2229405, 2378032, 2972540, 3121167, 3567048, 4161556, 4458810, 4756064, 5201945, 5945080, 6242334, 7134096, 8323112, 8917620, 9512128, 10403890, 11890160, 12484668, 14268192, 15605835, 16646224, 17835240, 19024256, 20807780, 23780320, 24969336, 28536384, 31211670, 33292448, 35670480, 41615560, 47560640, 49938672, 57072768, 62423340, 66584896, 71340960, 83231120, 95121280, 99877344, 124846680, 133169792, 142681920, 166462240, 199754688, 249693360, 285363840, 332924480, 399509376, 499386720, 665848960, 998773440, 1997546880]

約数ペア:

[(1, 1997546880), (2, 998773440), (3, 665848960), (4, 499386720), (5, 399509376), (6, 332924480), (7, 285363840), (8, 249693360), (10, 199754688), (12, 166462240), (14, 142681920), (15, 133169792), (16, 124846680), (20, 99877344), (21, 95121280), (24, 83231120), (28, 71340960), (30, 66584896), (32, 62423340), (35, 57072768), (40, 49938672), (42, 47560640), (48, 41615560), (56, 35670480), (60, 33292448), (64, 31211670), (70, 28536384), (80, 24969336), (84, 23780320), (96, 20807780), (105, 19024256), (112, 17835240), (120, 16646224), (128, 15605835), (140, 14268192), (160, 12484668), (168, 11890160), (192, 10403890), (210, 9512128), (224, 8917620), (240, 8323112), (280, 7134096), (320, 6242334), (336, 5945080), (384, 5201945), (420, 4756064), (448, 4458810), (480, 4161556), (560, 3567048), (640, 3121167), (672, 2972540), (840, 2378032), (896, 2229405), (960, 2080778), (1120, 1783524), (1344, 1486270), (1680, 1189016), (1920, 1040389), (2240, 891762), (2688, 743135), (3360, 594508), (4480, 445881), (6720, 297254), (13440, 148627)]