2557230720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121081}}^1$

素因数の和:121114

約数の個数: 128

約数和(自身を含む): 8892262080

約数和(自身を除く): 6335031360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 121081, 242162, 363243, 484324, 605405, 726486, 968648, 1210810, 1331891, 1452972, 1816215, 1937296, 2421620, 2663782, 2905944, 3632430, 3874592, 3995673, 4843240, 5327564, 5811888, 6659455, 7264860, 7749184, 7991346, 9686480, 10655128, 11623776, 13318910, 14529720, 15498368, 15982692, 19372960, 19978365, 21310256, 23247552, 26637820, 29059440, 31965384, 38745920, 39956730, 42620512, 46495104, 53275640, 58118880, 63930768, 77491840, 79913460, 85241024, 106551280, 116237760, 127861536, 159826920, 170482048, 213102560, 232475520, 255723072, 319653840, 426205120, 511446144, 639307680, 852410240, 1278615360, 2557230720]

約数ペア:

[(1, 2557230720), (2, 1278615360), (3, 852410240), (4, 639307680), (5, 511446144), (6, 426205120), (8, 319653840), (10, 255723072), (11, 232475520), (12, 213102560), (15, 170482048), (16, 159826920), (20, 127861536), (22, 116237760), (24, 106551280), (30, 85241024), (32, 79913460), (33, 77491840), (40, 63930768), (44, 58118880), (48, 53275640), (55, 46495104), (60, 42620512), (64, 39956730), (66, 38745920), (80, 31965384), (88, 29059440), (96, 26637820), (110, 23247552), (120, 21310256), (128, 19978365), (132, 19372960), (160, 15982692), (165, 15498368), (176, 14529720), (192, 13318910), (220, 11623776), (240, 10655128), (264, 9686480), (320, 7991346), (330, 7749184), (352, 7264860), (384, 6659455), (440, 5811888), (480, 5327564), (528, 4843240), (640, 3995673), (660, 3874592), (704, 3632430), (880, 2905944), (960, 2663782), (1056, 2421620), (1320, 1937296), (1408, 1816215), (1760, 1452972), (1920, 1331891), (2112, 1210810), (2640, 968648), (3520, 726486), (4224, 605405), (5280, 484324), (7040, 363243), (10560, 242162), (21120, 121081)]