172839680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 484771392

約数和(自身を除く): 311931712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 47, 52, 64, 65, 68, 80, 85, 94, 104, 128, 130, 136, 160, 169, 170, 188, 208, 221, 235, 256, 260, 272, 320, 338, 340, 376, 416, 442, 470, 520, 544, 611, 640, 676, 680, 752, 799, 832, 845, 884, 940, 1040, 1088, 1105, 1222, 1280, 1352, 1360, 1504, 1598, 1664, 1690, 1768, 1880, 2080, 2176, 2210, 2444, 2704, 2720, 2873, 3008, 3055, 3196, 3328, 3380, 3536, 3760, 3995, 4160, 4352, 4420, 4888, 5408, 5440, 5746, 6016, 6110, 6392, 6760, 7072, 7520, 7943, 7990, 8320, 8840, 9776, 10387, 10816, 10880, 11492, 12032, 12220, 12784, 13520, 14144, 14365, 15040, 15886, 15980, 16640, 17680, 19552, 20774, 21632, 21760, 22984, 24440, 25568, 27040, 28288, 28730, 30080, 31772, 31960, 35360, 39104, 39715, 41548, 43264, 45968, 48880, 51136, 51935, 54080, 56576, 57460, 60160, 63544, 63920, 70720, 78208, 79430, 83096, 91936, 97760, 102272, 103870, 108160, 114920, 127088, 127840, 135031, 141440, 156416, 158860, 166192, 183872, 195520, 204544, 207740, 216320, 229840, 254176, 255680, 270062, 282880, 317720, 332384, 367744, 391040, 415480, 459680, 508352, 511360, 540124, 635440, 664768, 675155, 735488, 782080, 830960, 919360, 1016704, 1022720, 1080248, 1270880, 1329536, 1350310, 1661920, 1838720, 2033408, 2160496, 2541760, 2659072, 2700620, 3323840, 3677440, 4320992, 5083520, 5401240, 6647680, 8641984, 10167040, 10802480, 13295360, 17283968, 21604960, 34567936, 43209920, 86419840, 172839680]

約数ペア:

[(1, 172839680), (2, 86419840), (4, 43209920), (5, 34567936), (8, 21604960), (10, 17283968), (13, 13295360), (16, 10802480), (17, 10167040), (20, 8641984), (26, 6647680), (32, 5401240), (34, 5083520), (40, 4320992), (47, 3677440), (52, 3323840), (64, 2700620), (65, 2659072), (68, 2541760), (80, 2160496), (85, 2033408), (94, 1838720), (104, 1661920), (128, 1350310), (130, 1329536), (136, 1270880), (160, 1080248), (169, 1022720), (170, 1016704), (188, 919360), (208, 830960), (221, 782080), (235, 735488), (256, 675155), (260, 664768), (272, 635440), (320, 540124), (338, 511360), (340, 508352), (376, 459680), (416, 415480), (442, 391040), (470, 367744), (520, 332384), (544, 317720), (611, 282880), (640, 270062), (676, 255680), (680, 254176), (752, 229840), (799, 216320), (832, 207740), (845, 204544), (884, 195520), (940, 183872), (1040, 166192), (1088, 158860), (1105, 156416), (1222, 141440), (1280, 135031), (1352, 127840), (1360, 127088), (1504, 114920), (1598, 108160), (1664, 103870), (1690, 102272), (1768, 97760), (1880, 91936), (2080, 83096), (2176, 79430), (2210, 78208), (2444, 70720), (2704, 63920), (2720, 63544), (2873, 60160), (3008, 57460), (3055, 56576), (3196, 54080), (3328, 51935), (3380, 51136), (3536, 48880), (3760, 45968), (3995, 43264), (4160, 41548), (4352, 39715), (4420, 39104), (4888, 35360), (5408, 31960), (5440, 31772), (5746, 30080), (6016, 28730), (6110, 28288), (6392, 27040), (6760, 25568), (7072, 24440), (7520, 22984), (7943, 21760), (7990, 21632), (8320, 20774), (8840, 19552), (9776, 17680), (10387, 16640), (10816, 15980), (10880, 15886), (11492, 15040), (12032, 14365), (12220, 14144), (12784, 13520)]