705909680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 240

約数和(自身を含む): 2036941056

約数和(自身を除く): 1331031376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 49, 56, 62, 70, 74, 80, 98, 112, 124, 140, 148, 155, 157, 185, 196, 217, 245, 248, 259, 280, 296, 310, 314, 370, 392, 434, 490, 496, 518, 560, 592, 620, 628, 740, 784, 785, 868, 980, 1036, 1085, 1099, 1147, 1240, 1256, 1295, 1480, 1519, 1570, 1736, 1813, 1960, 2072, 2170, 2198, 2294, 2480, 2512, 2590, 2960, 3038, 3140, 3472, 3626, 3920, 4144, 4340, 4396, 4588, 4867, 5180, 5495, 5735, 5809, 6076, 6280, 7252, 7595, 7693, 8029, 8680, 8792, 9065, 9176, 9734, 10360, 10990, 11470, 11618, 12152, 12560, 14504, 15190, 15386, 16058, 17360, 17584, 18130, 18352, 19468, 20720, 21980, 22940, 23236, 24304, 24335, 29008, 29045, 30380, 30772, 32116, 34069, 36260, 38465, 38936, 40145, 40663, 43960, 45880, 46472, 48670, 56203, 58090, 60760, 61544, 64232, 68138, 72520, 76930, 77872, 80290, 81326, 87920, 91760, 92944, 97340, 112406, 116180, 121520, 123088, 128464, 136276, 145040, 153860, 160580, 162652, 170345, 180079, 194680, 203315, 224812, 232360, 238483, 272552, 281015, 284641, 307720, 321160, 325304, 340690, 360158, 389360, 406630, 449624, 464720, 476966, 545104, 562030, 569282, 615440, 642320, 650608, 681380, 720316, 813260, 899248, 900395, 953932, 1124060, 1138564, 1192415, 1260553, 1362760, 1423205, 1440632, 1626520, 1800790, 1907864, 2248120, 2277128, 2384830, 2521106, 2725520, 2846410, 2881264, 3253040, 3601580, 3815728, 4496240, 4554256, 4769660, 5042212, 5692820, 6302765, 7203160, 8823871, 9539320, 10084424, 11385640, 12605530, 14406320, 17647742, 19078640, 20168848, 22771280, 25211060, 35295484, 44119355, 50422120, 70590968, 88238710, 100844240, 141181936, 176477420, 352954840, 705909680]

約数ペア:

[(1, 705909680), (2, 352954840), (4, 176477420), (5, 141181936), (7, 100844240), (8, 88238710), (10, 70590968), (14, 50422120), (16, 44119355), (20, 35295484), (28, 25211060), (31, 22771280), (35, 20168848), (37, 19078640), (40, 17647742), (49, 14406320), (56, 12605530), (62, 11385640), (70, 10084424), (74, 9539320), (80, 8823871), (98, 7203160), (112, 6302765), (124, 5692820), (140, 5042212), (148, 4769660), (155, 4554256), (157, 4496240), (185, 3815728), (196, 3601580), (217, 3253040), (245, 2881264), (248, 2846410), (259, 2725520), (280, 2521106), (296, 2384830), (310, 2277128), (314, 2248120), (370, 1907864), (392, 1800790), (434, 1626520), (490, 1440632), (496, 1423205), (518, 1362760), (560, 1260553), (592, 1192415), (620, 1138564), (628, 1124060), (740, 953932), (784, 900395), (785, 899248), (868, 813260), (980, 720316), (1036, 681380), (1085, 650608), (1099, 642320), (1147, 615440), (1240, 569282), (1256, 562030), (1295, 545104), (1480, 476966), (1519, 464720), (1570, 449624), (1736, 406630), (1813, 389360), (1960, 360158), (2072, 340690), (2170, 325304), (2198, 321160), (2294, 307720), (2480, 284641), (2512, 281015), (2590, 272552), (2960, 238483), (3038, 232360), (3140, 224812), (3472, 203315), (3626, 194680), (3920, 180079), (4144, 170345), (4340, 162652), (4396, 160580), (4588, 153860), (4867, 145040), (5180, 136276), (5495, 128464), (5735, 123088), (5809, 121520), (6076, 116180), (6280, 112406), (7252, 97340), (7595, 92944), (7693, 91760), (8029, 87920), (8680, 81326), (8792, 80290), (9065, 77872), (9176, 76930), (9734, 72520), (10360, 68138), (10990, 64232), (11470, 61544), (11618, 60760), (12152, 58090), (12560, 56203), (14504, 48670), (15190, 46472), (15386, 45880), (16058, 43960), (17360, 40663), (17584, 40145), (18130, 38936), (18352, 38465), (19468, 36260), (20720, 34069), (21980, 32116), (22940, 30772), (23236, 30380), (24304, 29045), (24335, 29008)]