320844160

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 192

約数和(自身を含む): 962100720

約数和(自身を除く): 641256560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 787, 832, 896, 910, 980, 1040, 1120, 1274, 1456, 1568, 1574, 1664, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3148, 3185, 3640, 3920, 3935, 4160, 4480, 5096, 5509, 5824, 6272, 6296, 6370, 7280, 7840, 7870, 8320, 10192, 10231, 11018, 11648, 12592, 12740, 14560, 15680, 15740, 20384, 20462, 22036, 25184, 25480, 27545, 29120, 31360, 31480, 38563, 40768, 40924, 44072, 50368, 50960, 51155, 55090, 58240, 62960, 71617, 77126, 81536, 81848, 88144, 100736, 101920, 102310, 110180, 125920, 143234, 154252, 163696, 176288, 192815, 203840, 204620, 220360, 251840, 286468, 308504, 327392, 352576, 358085, 385630, 407680, 409240, 440720, 501319, 503680, 572936, 617008, 654784, 705152, 716170, 771260, 818480, 881440, 1002638, 1145872, 1234016, 1309568, 1432340, 1542520, 1636960, 1762880, 2005276, 2291744, 2468032, 2506595, 2864680, 3085040, 3273920, 3525760, 4010552, 4583488, 4936064, 5013190, 5729360, 6170080, 6547840, 8021104, 9166976, 10026380, 11458720, 12340160, 16042208, 20052760, 22917440, 24680320, 32084416, 40105520, 45834880, 64168832, 80211040, 160422080, 320844160]

約数ペア:

[(1, 320844160), (2, 160422080), (4, 80211040), (5, 64168832), (7, 45834880), (8, 40105520), (10, 32084416), (13, 24680320), (14, 22917440), (16, 20052760), (20, 16042208), (26, 12340160), (28, 11458720), (32, 10026380), (35, 9166976), (40, 8021104), (49, 6547840), (52, 6170080), (56, 5729360), (64, 5013190), (65, 4936064), (70, 4583488), (80, 4010552), (91, 3525760), (98, 3273920), (104, 3085040), (112, 2864680), (128, 2506595), (130, 2468032), (140, 2291744), (160, 2005276), (182, 1762880), (196, 1636960), (208, 1542520), (224, 1432340), (245, 1309568), (260, 1234016), (280, 1145872), (320, 1002638), (364, 881440), (392, 818480), (416, 771260), (448, 716170), (455, 705152), (490, 654784), (520, 617008), (560, 572936), (637, 503680), (640, 501319), (728, 440720), (784, 409240), (787, 407680), (832, 385630), (896, 358085), (910, 352576), (980, 327392), (1040, 308504), (1120, 286468), (1274, 251840), (1456, 220360), (1568, 204620), (1574, 203840), (1664, 192815), (1820, 176288), (1960, 163696), (2080, 154252), (2240, 143234), (2548, 125920), (2912, 110180), (3136, 102310), (3148, 101920), (3185, 100736), (3640, 88144), (3920, 81848), (3935, 81536), (4160, 77126), (4480, 71617), (5096, 62960), (5509, 58240), (5824, 55090), (6272, 51155), (6296, 50960), (6370, 50368), (7280, 44072), (7840, 40924), (7870, 40768), (8320, 38563), (10192, 31480), (10231, 31360), (11018, 29120), (11648, 27545), (12592, 25480), (12740, 25184), (14560, 22036), (15680, 20462), (15740, 20384)]