127710080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 324898560

約数和(自身を除く): 197188480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 157, 160, 164, 205, 248, 310, 314, 320, 328, 410, 496, 620, 628, 640, 656, 785, 820, 992, 1240, 1256, 1271, 1312, 1570, 1640, 1984, 2480, 2512, 2542, 2624, 3140, 3280, 3968, 4867, 4960, 5024, 5084, 5248, 6280, 6355, 6437, 6560, 9734, 9920, 10048, 10168, 12560, 12710, 12874, 13120, 19468, 19840, 20096, 20336, 24335, 25120, 25420, 25748, 26240, 32185, 38936, 40672, 48670, 50240, 50840, 51496, 64370, 77872, 81344, 97340, 100480, 101680, 102992, 128740, 155744, 162688, 194680, 199547, 203360, 205984, 257480, 311488, 389360, 399094, 406720, 411968, 514960, 622976, 778720, 798188, 813440, 823936, 997735, 1029920, 1557440, 1596376, 1995470, 2059840, 3114880, 3192752, 3990940, 4119680, 6385504, 7981880, 12771008, 15963760, 25542016, 31927520, 63855040, 127710080]

約数ペア:

[(1, 127710080), (2, 63855040), (4, 31927520), (5, 25542016), (8, 15963760), (10, 12771008), (16, 7981880), (20, 6385504), (31, 4119680), (32, 3990940), (40, 3192752), (41, 3114880), (62, 2059840), (64, 1995470), (80, 1596376), (82, 1557440), (124, 1029920), (128, 997735), (155, 823936), (157, 813440), (160, 798188), (164, 778720), (205, 622976), (248, 514960), (310, 411968), (314, 406720), (320, 399094), (328, 389360), (410, 311488), (496, 257480), (620, 205984), (628, 203360), (640, 199547), (656, 194680), (785, 162688), (820, 155744), (992, 128740), (1240, 102992), (1256, 101680), (1271, 100480), (1312, 97340), (1570, 81344), (1640, 77872), (1984, 64370), (2480, 51496), (2512, 50840), (2542, 50240), (2624, 48670), (3140, 40672), (3280, 38936), (3968, 32185), (4867, 26240), (4960, 25748), (5024, 25420), (5084, 25120), (5248, 24335), (6280, 20336), (6355, 20096), (6437, 19840), (6560, 19468), (9734, 13120), (9920, 12874), (10048, 12710), (10168, 12560)]