71939840

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 216

約数和(自身を含む): 212510592

約数和(自身を除く): 140570752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 49, 56, 62, 64, 70, 74, 80, 98, 112, 124, 128, 140, 148, 155, 160, 185, 196, 217, 224, 245, 248, 256, 259, 280, 296, 310, 320, 370, 392, 434, 448, 490, 496, 518, 560, 592, 620, 640, 740, 784, 868, 896, 980, 992, 1036, 1085, 1120, 1147, 1184, 1240, 1280, 1295, 1480, 1519, 1568, 1736, 1792, 1813, 1960, 1984, 2072, 2170, 2240, 2294, 2368, 2480, 2590, 2960, 3038, 3136, 3472, 3626, 3920, 3968, 4144, 4340, 4480, 4588, 4736, 4960, 5180, 5735, 5920, 6076, 6272, 6944, 7252, 7595, 7840, 7936, 8029, 8288, 8680, 8960, 9065, 9176, 9472, 9920, 10360, 11470, 11840, 12152, 12544, 13888, 14504, 15190, 15680, 16058, 16576, 17360, 18130, 18352, 19840, 20720, 22940, 23680, 24304, 27776, 29008, 30380, 31360, 32116, 33152, 34720, 36260, 36704, 39680, 40145, 41440, 45880, 47360, 48608, 55552, 56203, 58016, 60760, 62720, 64232, 66304, 69440, 72520, 73408, 80290, 82880, 91760, 97216, 112406, 116032, 121520, 128464, 138880, 145040, 146816, 160580, 165760, 183520, 194432, 224812, 232064, 243040, 256928, 277760, 281015, 290080, 293632, 321160, 331520, 367040, 388864, 449624, 464128, 486080, 513856, 562030, 580160, 642320, 734080, 899248, 972160, 1027712, 1124060, 1160320, 1284640, 1468160, 1798496, 1944320, 2055424, 2248120, 2320640, 2569280, 3596992, 4496240, 5138560, 7193984, 8992480, 10277120, 14387968, 17984960, 35969920, 71939840]

約数ペア:

[(1, 71939840), (2, 35969920), (4, 17984960), (5, 14387968), (7, 10277120), (8, 8992480), (10, 7193984), (14, 5138560), (16, 4496240), (20, 3596992), (28, 2569280), (31, 2320640), (32, 2248120), (35, 2055424), (37, 1944320), (40, 1798496), (49, 1468160), (56, 1284640), (62, 1160320), (64, 1124060), (70, 1027712), (74, 972160), (80, 899248), (98, 734080), (112, 642320), (124, 580160), (128, 562030), (140, 513856), (148, 486080), (155, 464128), (160, 449624), (185, 388864), (196, 367040), (217, 331520), (224, 321160), (245, 293632), (248, 290080), (256, 281015), (259, 277760), (280, 256928), (296, 243040), (310, 232064), (320, 224812), (370, 194432), (392, 183520), (434, 165760), (448, 160580), (490, 146816), (496, 145040), (518, 138880), (560, 128464), (592, 121520), (620, 116032), (640, 112406), (740, 97216), (784, 91760), (868, 82880), (896, 80290), (980, 73408), (992, 72520), (1036, 69440), (1085, 66304), (1120, 64232), (1147, 62720), (1184, 60760), (1240, 58016), (1280, 56203), (1295, 55552), (1480, 48608), (1519, 47360), (1568, 45880), (1736, 41440), (1792, 40145), (1813, 39680), (1960, 36704), (1984, 36260), (2072, 34720), (2170, 33152), (2240, 32116), (2294, 31360), (2368, 30380), (2480, 29008), (2590, 27776), (2960, 24304), (3038, 23680), (3136, 22940), (3472, 20720), (3626, 19840), (3920, 18352), (3968, 18130), (4144, 17360), (4340, 16576), (4480, 16058), (4588, 15680), (4736, 15190), (4960, 14504), (5180, 13888), (5735, 12544), (5920, 12152), (6076, 11840), (6272, 11470), (6944, 10360), (7252, 9920), (7595, 9472), (7840, 9176), (7936, 9065), (8029, 8960), (8288, 8680)]