28175280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:595

約数の個数: 160

約数和(自身を含む): 103231488

約数和(自身を除く): 75056208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 541, 560, 620, 651, 744, 840, 868, 930, 1082, 1085, 1240, 1302, 1488, 1623, 1680, 1736, 1860, 2164, 2170, 2480, 2604, 2705, 3246, 3255, 3472, 3720, 3787, 4328, 4340, 5208, 5410, 6492, 6510, 7440, 7574, 8115, 8656, 8680, 10416, 10820, 11361, 12984, 13020, 15148, 16230, 16771, 17360, 18935, 21640, 22722, 25968, 26040, 30296, 32460, 33542, 37870, 43280, 45444, 50313, 52080, 56805, 60592, 64920, 67084, 75740, 83855, 90888, 100626, 113610, 117397, 129840, 134168, 151480, 167710, 181776, 201252, 227220, 234794, 251565, 268336, 302960, 335420, 352191, 402504, 454440, 469588, 503130, 586985, 670840, 704382, 805008, 908880, 939176, 1006260, 1173970, 1341680, 1408764, 1760955, 1878352, 2012520, 2347940, 2817528, 3521910, 4025040, 4695880, 5635056, 7043820, 9391760, 14087640, 28175280]

約数ペア:

[(1, 28175280), (2, 14087640), (3, 9391760), (4, 7043820), (5, 5635056), (6, 4695880), (7, 4025040), (8, 3521910), (10, 2817528), (12, 2347940), (14, 2012520), (15, 1878352), (16, 1760955), (20, 1408764), (21, 1341680), (24, 1173970), (28, 1006260), (30, 939176), (31, 908880), (35, 805008), (40, 704382), (42, 670840), (48, 586985), (56, 503130), (60, 469588), (62, 454440), (70, 402504), (80, 352191), (84, 335420), (93, 302960), (105, 268336), (112, 251565), (120, 234794), (124, 227220), (140, 201252), (155, 181776), (168, 167710), (186, 151480), (210, 134168), (217, 129840), (240, 117397), (248, 113610), (280, 100626), (310, 90888), (336, 83855), (372, 75740), (420, 67084), (434, 64920), (465, 60592), (496, 56805), (541, 52080), (560, 50313), (620, 45444), (651, 43280), (744, 37870), (840, 33542), (868, 32460), (930, 30296), (1082, 26040), (1085, 25968), (1240, 22722), (1302, 21640), (1488, 18935), (1623, 17360), (1680, 16771), (1736, 16230), (1860, 15148), (2164, 13020), (2170, 12984), (2480, 11361), (2604, 10820), (2705, 10416), (3246, 8680), (3255, 8656), (3472, 8115), (3720, 7574), (3787, 7440), (4328, 6510), (4340, 6492), (5208, 5410)]