28504920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 92145600

約数和(自身を除く): 63640680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 89, 102, 120, 136, 157, 170, 178, 204, 255, 267, 314, 340, 356, 408, 445, 471, 510, 534, 628, 680, 712, 785, 890, 942, 1020, 1068, 1256, 1335, 1513, 1570, 1780, 1884, 2040, 2136, 2355, 2669, 2670, 3026, 3140, 3560, 3768, 4539, 4710, 5338, 5340, 6052, 6280, 7565, 8007, 9078, 9420, 10676, 10680, 12104, 13345, 13973, 15130, 16014, 18156, 18840, 21352, 22695, 26690, 27946, 30260, 32028, 36312, 40035, 41919, 45390, 53380, 55892, 60520, 64056, 69865, 80070, 83838, 90780, 106760, 111784, 139730, 160140, 167676, 181560, 209595, 237541, 279460, 320280, 335352, 419190, 475082, 558920, 712623, 838380, 950164, 1187705, 1425246, 1676760, 1900328, 2375410, 2850492, 3563115, 4750820, 5700984, 7126230, 9501640, 14252460, 28504920]

約数ペア:

[(1, 28504920), (2, 14252460), (3, 9501640), (4, 7126230), (5, 5700984), (6, 4750820), (8, 3563115), (10, 2850492), (12, 2375410), (15, 1900328), (17, 1676760), (20, 1425246), (24, 1187705), (30, 950164), (34, 838380), (40, 712623), (51, 558920), (60, 475082), (68, 419190), (85, 335352), (89, 320280), (102, 279460), (120, 237541), (136, 209595), (157, 181560), (170, 167676), (178, 160140), (204, 139730), (255, 111784), (267, 106760), (314, 90780), (340, 83838), (356, 80070), (408, 69865), (445, 64056), (471, 60520), (510, 55892), (534, 53380), (628, 45390), (680, 41919), (712, 40035), (785, 36312), (890, 32028), (942, 30260), (1020, 27946), (1068, 26690), (1256, 22695), (1335, 21352), (1513, 18840), (1570, 18156), (1780, 16014), (1884, 15130), (2040, 13973), (2136, 13345), (2355, 12104), (2669, 10680), (2670, 10676), (3026, 9420), (3140, 9078), (3560, 8007), (3768, 7565), (4539, 6280), (4710, 6052), (5338, 5340)]