318278240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 905748480

約数和(自身を除く): 587470240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 89, 103, 112, 124, 140, 155, 160, 178, 206, 217, 224, 248, 280, 310, 356, 412, 434, 445, 496, 515, 560, 620, 623, 712, 721, 824, 868, 890, 992, 1030, 1085, 1120, 1240, 1246, 1424, 1442, 1648, 1736, 1780, 2060, 2170, 2480, 2492, 2759, 2848, 2884, 3115, 3193, 3296, 3472, 3560, 3605, 4120, 4340, 4960, 4984, 5518, 5768, 6230, 6386, 6944, 7120, 7210, 8240, 8680, 9167, 9968, 11036, 11536, 12460, 12772, 13795, 14240, 14420, 15965, 16480, 17360, 18334, 19313, 19936, 22072, 22351, 23072, 24920, 25544, 27590, 28840, 31930, 34720, 36668, 38626, 44144, 44702, 45835, 49840, 51088, 55180, 57680, 63860, 64169, 73336, 77252, 88288, 89404, 91670, 96565, 99680, 102176, 110360, 111755, 115360, 127720, 128338, 146672, 154504, 178808, 183340, 193130, 220720, 223510, 255440, 256676, 284177, 293344, 309008, 320845, 357616, 366680, 386260, 441440, 447020, 510880, 513352, 568354, 618016, 641690, 715232, 733360, 772520, 894040, 1026704, 1136708, 1283380, 1420885, 1466720, 1545040, 1788080, 1989239, 2053408, 2273416, 2566760, 2841770, 3090080, 3576160, 3978478, 4546832, 5133520, 5683540, 7956956, 9093664, 9946195, 10267040, 11367080, 15913912, 19892390, 22734160, 31827824, 39784780, 45468320, 63655648, 79569560, 159139120, 318278240]

約数ペア:

[(1, 318278240), (2, 159139120), (4, 79569560), (5, 63655648), (7, 45468320), (8, 39784780), (10, 31827824), (14, 22734160), (16, 19892390), (20, 15913912), (28, 11367080), (31, 10267040), (32, 9946195), (35, 9093664), (40, 7956956), (56, 5683540), (62, 5133520), (70, 4546832), (80, 3978478), (89, 3576160), (103, 3090080), (112, 2841770), (124, 2566760), (140, 2273416), (155, 2053408), (160, 1989239), (178, 1788080), (206, 1545040), (217, 1466720), (224, 1420885), (248, 1283380), (280, 1136708), (310, 1026704), (356, 894040), (412, 772520), (434, 733360), (445, 715232), (496, 641690), (515, 618016), (560, 568354), (620, 513352), (623, 510880), (712, 447020), (721, 441440), (824, 386260), (868, 366680), (890, 357616), (992, 320845), (1030, 309008), (1085, 293344), (1120, 284177), (1240, 256676), (1246, 255440), (1424, 223510), (1442, 220720), (1648, 193130), (1736, 183340), (1780, 178808), (2060, 154504), (2170, 146672), (2480, 128338), (2492, 127720), (2759, 115360), (2848, 111755), (2884, 110360), (3115, 102176), (3193, 99680), (3296, 96565), (3472, 91670), (3560, 89404), (3605, 88288), (4120, 77252), (4340, 73336), (4960, 64169), (4984, 63860), (5518, 57680), (5768, 55180), (6230, 51088), (6386, 49840), (6944, 45835), (7120, 44702), (7210, 44144), (8240, 38626), (8680, 36668), (9167, 34720), (9968, 31930), (11036, 28840), (11536, 27590), (12460, 25544), (12772, 24920), (13795, 23072), (14240, 22351), (14420, 22072), (15965, 19936), (16480, 19313), (17360, 18334)]