28202880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 128

約数和(自身を含む): 92558880

約数和(自身を除く): 64356000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 397, 444, 480, 555, 592, 640, 740, 794, 888, 960, 1110, 1184, 1191, 1480, 1588, 1776, 1920, 1985, 2220, 2368, 2382, 2960, 3176, 3552, 3970, 4440, 4736, 4764, 5920, 5955, 6352, 7104, 7940, 8880, 9528, 11840, 11910, 12704, 14208, 14689, 15880, 17760, 19056, 23680, 23820, 25408, 29378, 31760, 35520, 38112, 44067, 47640, 50816, 58756, 63520, 71040, 73445, 76224, 88134, 95280, 117512, 127040, 146890, 152448, 176268, 190560, 220335, 235024, 254080, 293780, 352536, 381120, 440670, 470048, 587560, 705072, 762240, 881340, 940096, 1175120, 1410144, 1762680, 1880192, 2350240, 2820288, 3525360, 4700480, 5640576, 7050720, 9400960, 14101440, 28202880]

約数ペア:

[(1, 28202880), (2, 14101440), (3, 9400960), (4, 7050720), (5, 5640576), (6, 4700480), (8, 3525360), (10, 2820288), (12, 2350240), (15, 1880192), (16, 1762680), (20, 1410144), (24, 1175120), (30, 940096), (32, 881340), (37, 762240), (40, 705072), (48, 587560), (60, 470048), (64, 440670), (74, 381120), (80, 352536), (96, 293780), (111, 254080), (120, 235024), (128, 220335), (148, 190560), (160, 176268), (185, 152448), (192, 146890), (222, 127040), (240, 117512), (296, 95280), (320, 88134), (370, 76224), (384, 73445), (397, 71040), (444, 63520), (480, 58756), (555, 50816), (592, 47640), (640, 44067), (740, 38112), (794, 35520), (888, 31760), (960, 29378), (1110, 25408), (1184, 23820), (1191, 23680), (1480, 19056), (1588, 17760), (1776, 15880), (1920, 14689), (1985, 14208), (2220, 12704), (2368, 11910), (2382, 11840), (2960, 9528), (3176, 8880), (3552, 7940), (3970, 7104), (4440, 6352), (4736, 5955), (4764, 5920)]