720231680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2652

約数の個数: 144

約数和(自身を含む): 2036020224

約数和(自身を除く): 1315788544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 2593, 3472, 3968, 4340, 4480, 4960, 5186, 6944, 7936, 8680, 8960, 9920, 10372, 12965, 13888, 17360, 18151, 19840, 20744, 25930, 27776, 34720, 36302, 39680, 41488, 51860, 55552, 69440, 72604, 80383, 82976, 90755, 103720, 138880, 145208, 160766, 165952, 181510, 207440, 277760, 290416, 321532, 331904, 363020, 401915, 414880, 562681, 580832, 643064, 663808, 726040, 803830, 829760, 1125362, 1161664, 1286128, 1452080, 1607660, 1659520, 2250724, 2323328, 2572256, 2813405, 2904160, 3215320, 3319040, 4501448, 4646656, 5144512, 5626810, 5808320, 6430640, 9002896, 10289024, 11253620, 11616640, 12861280, 18005792, 20578048, 22507240, 23233280, 25722560, 36011584, 45014480, 51445120, 72023168, 90028960, 102890240, 144046336, 180057920, 360115840, 720231680]

約数ペア:

[(1, 720231680), (2, 360115840), (4, 180057920), (5, 144046336), (7, 102890240), (8, 90028960), (10, 72023168), (14, 51445120), (16, 45014480), (20, 36011584), (28, 25722560), (31, 23233280), (32, 22507240), (35, 20578048), (40, 18005792), (56, 12861280), (62, 11616640), (64, 11253620), (70, 10289024), (80, 9002896), (112, 6430640), (124, 5808320), (128, 5626810), (140, 5144512), (155, 4646656), (160, 4501448), (217, 3319040), (224, 3215320), (248, 2904160), (256, 2813405), (280, 2572256), (310, 2323328), (320, 2250724), (434, 1659520), (448, 1607660), (496, 1452080), (560, 1286128), (620, 1161664), (640, 1125362), (868, 829760), (896, 803830), (992, 726040), (1085, 663808), (1120, 643064), (1240, 580832), (1280, 562681), (1736, 414880), (1792, 401915), (1984, 363020), (2170, 331904), (2240, 321532), (2480, 290416), (2593, 277760), (3472, 207440), (3968, 181510), (4340, 165952), (4480, 160766), (4960, 145208), (5186, 138880), (6944, 103720), (7936, 90755), (8680, 82976), (8960, 80383), (9920, 72604), (10372, 69440), (12965, 55552), (13888, 51860), (17360, 41488), (18151, 39680), (19840, 36302), (20744, 34720), (25930, 27776)]