28775040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{2141}}^1$

素因数の和:2170

約数の個数: 128

約数和(自身を含む): 104872320

約数和(自身を除く): 76097280

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, 2141, 2240, 2688, 3360, 4282, 4480, 6423, 6720, 8564, 10705, 12846, 13440, 14987, 17128, 21410, 25692, 29974, 32115, 34256, 42820, 44961, 51384, 59948, 64230, 68512, 74935, 85640, 89922, 102768, 119896, 128460, 137024, 149870, 171280, 179844, 205536, 224805, 239792, 256920, 274048, 299740, 342560, 359688, 411072, 449610, 479584, 513840, 599480, 685120, 719376, 822144, 899220, 959168, 1027680, 1198960, 1370240, 1438752, 1798440, 1918336, 2055360, 2397920, 2877504, 3596880, 4110720, 4795840, 5755008, 7193760, 9591680, 14387520, 28775040]

約数ペア:

[(1, 28775040), (2, 14387520), (3, 9591680), (4, 7193760), (5, 5755008), (6, 4795840), (7, 4110720), (8, 3596880), (10, 2877504), (12, 2397920), (14, 2055360), (15, 1918336), (16, 1798440), (20, 1438752), (21, 1370240), (24, 1198960), (28, 1027680), (30, 959168), (32, 899220), (35, 822144), (40, 719376), (42, 685120), (48, 599480), (56, 513840), (60, 479584), (64, 449610), (70, 411072), (80, 359688), (84, 342560), (96, 299740), (105, 274048), (112, 256920), (120, 239792), (128, 224805), (140, 205536), (160, 179844), (168, 171280), (192, 149870), (210, 137024), (224, 128460), (240, 119896), (280, 102768), (320, 89922), (336, 85640), (384, 74935), (420, 68512), (448, 64230), (480, 59948), (560, 51384), (640, 44961), (672, 42820), (840, 34256), (896, 32115), (960, 29974), (1120, 25692), (1344, 21410), (1680, 17128), (1920, 14987), (2141, 13440), (2240, 12846), (2688, 10705), (3360, 8564), (4282, 6720), (4480, 6423)]