215316080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 601866240

約数和(自身を除く): 386550160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 155, 157, 158, 217, 248, 280, 310, 314, 316, 395, 434, 496, 553, 560, 620, 628, 632, 785, 790, 868, 1085, 1099, 1106, 1240, 1256, 1264, 1570, 1580, 1736, 2170, 2198, 2212, 2449, 2480, 2512, 2765, 3140, 3160, 3472, 4340, 4396, 4424, 4867, 4898, 5495, 5530, 6280, 6320, 8680, 8792, 8848, 9734, 9796, 10990, 11060, 12245, 12403, 12560, 17143, 17360, 17584, 19468, 19592, 21980, 22120, 24335, 24490, 24806, 34069, 34286, 38936, 39184, 43960, 44240, 48670, 48980, 49612, 62015, 68138, 68572, 77872, 85715, 86821, 87920, 97340, 97960, 99224, 124030, 136276, 137144, 170345, 171430, 173642, 194680, 195920, 198448, 248060, 272552, 274288, 340690, 342860, 347284, 384493, 389360, 434105, 496120, 545104, 681380, 685720, 694568, 768986, 868210, 992240, 1362760, 1371440, 1389136, 1537972, 1736420, 1922465, 2691451, 2725520, 3075944, 3472840, 3844930, 5382902, 6151888, 6945680, 7689860, 10765804, 13457255, 15379720, 21531608, 26914510, 30759440, 43063216, 53829020, 107658040, 215316080]

約数ペア:

[(1, 215316080), (2, 107658040), (4, 53829020), (5, 43063216), (7, 30759440), (8, 26914510), (10, 21531608), (14, 15379720), (16, 13457255), (20, 10765804), (28, 7689860), (31, 6945680), (35, 6151888), (40, 5382902), (56, 3844930), (62, 3472840), (70, 3075944), (79, 2725520), (80, 2691451), (112, 1922465), (124, 1736420), (140, 1537972), (155, 1389136), (157, 1371440), (158, 1362760), (217, 992240), (248, 868210), (280, 768986), (310, 694568), (314, 685720), (316, 681380), (395, 545104), (434, 496120), (496, 434105), (553, 389360), (560, 384493), (620, 347284), (628, 342860), (632, 340690), (785, 274288), (790, 272552), (868, 248060), (1085, 198448), (1099, 195920), (1106, 194680), (1240, 173642), (1256, 171430), (1264, 170345), (1570, 137144), (1580, 136276), (1736, 124030), (2170, 99224), (2198, 97960), (2212, 97340), (2449, 87920), (2480, 86821), (2512, 85715), (2765, 77872), (3140, 68572), (3160, 68138), (3472, 62015), (4340, 49612), (4396, 48980), (4424, 48670), (4867, 44240), (4898, 43960), (5495, 39184), (5530, 38936), (6280, 34286), (6320, 34069), (8680, 24806), (8792, 24490), (8848, 24335), (9734, 22120), (9796, 21980), (10990, 19592), (11060, 19468), (12245, 17584), (12403, 17360), (12560, 17143)]