28075920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 94279680

約数和(自身を除く): 66203760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 47, 48, 57, 60, 76, 80, 94, 95, 114, 120, 131, 141, 152, 188, 190, 228, 235, 240, 262, 282, 285, 304, 376, 380, 393, 456, 470, 524, 564, 570, 655, 705, 752, 760, 786, 893, 912, 940, 1048, 1128, 1140, 1310, 1410, 1520, 1572, 1786, 1880, 1965, 2096, 2256, 2280, 2489, 2620, 2679, 2820, 3144, 3572, 3760, 3930, 4465, 4560, 4978, 5240, 5358, 5640, 6157, 6288, 7144, 7467, 7860, 8930, 9956, 10480, 10716, 11280, 12314, 12445, 13395, 14288, 14934, 15720, 17860, 18471, 19912, 21432, 24628, 24890, 26790, 29868, 30785, 31440, 35720, 36942, 37335, 39824, 42864, 49256, 49780, 53580, 59736, 61570, 71440, 73884, 74670, 92355, 98512, 99560, 107160, 116983, 119472, 123140, 147768, 149340, 184710, 199120, 214320, 233966, 246280, 295536, 298680, 350949, 369420, 467932, 492560, 584915, 597360, 701898, 738840, 935864, 1169830, 1403796, 1477680, 1754745, 1871728, 2339660, 2807592, 3509490, 4679320, 5615184, 7018980, 9358640, 14037960, 28075920]

約数ペア:

[(1, 28075920), (2, 14037960), (3, 9358640), (4, 7018980), (5, 5615184), (6, 4679320), (8, 3509490), (10, 2807592), (12, 2339660), (15, 1871728), (16, 1754745), (19, 1477680), (20, 1403796), (24, 1169830), (30, 935864), (38, 738840), (40, 701898), (47, 597360), (48, 584915), (57, 492560), (60, 467932), (76, 369420), (80, 350949), (94, 298680), (95, 295536), (114, 246280), (120, 233966), (131, 214320), (141, 199120), (152, 184710), (188, 149340), (190, 147768), (228, 123140), (235, 119472), (240, 116983), (262, 107160), (282, 99560), (285, 98512), (304, 92355), (376, 74670), (380, 73884), (393, 71440), (456, 61570), (470, 59736), (524, 53580), (564, 49780), (570, 49256), (655, 42864), (705, 39824), (752, 37335), (760, 36942), (786, 35720), (893, 31440), (912, 30785), (940, 29868), (1048, 26790), (1128, 24890), (1140, 24628), (1310, 21432), (1410, 19912), (1520, 18471), (1572, 17860), (1786, 15720), (1880, 14934), (1965, 14288), (2096, 13395), (2256, 12445), (2280, 12314), (2489, 11280), (2620, 10716), (2679, 10480), (2820, 9956), (3144, 8930), (3572, 7860), (3760, 7467), (3930, 7144), (4465, 6288), (4560, 6157), (4978, 5640), (5240, 5358)]