81858960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 292481280

約数和(自身を除く): 210622320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 47, 48, 59, 60, 72, 80, 82, 90, 94, 118, 120, 123, 141, 144, 164, 177, 180, 188, 205, 235, 236, 240, 246, 282, 295, 328, 354, 360, 369, 376, 410, 423, 470, 472, 492, 531, 564, 590, 615, 656, 705, 708, 720, 738, 752, 820, 846, 885, 940, 944, 984, 1062, 1128, 1180, 1230, 1410, 1416, 1476, 1640, 1692, 1770, 1845, 1880, 1927, 1968, 2115, 2124, 2256, 2360, 2419, 2460, 2655, 2773, 2820, 2832, 2952, 3280, 3384, 3540, 3690, 3760, 3854, 4230, 4248, 4720, 4838, 4920, 5310, 5546, 5640, 5781, 5904, 6768, 7080, 7257, 7380, 7708, 8319, 8460, 8496, 9635, 9676, 9840, 10620, 11092, 11280, 11562, 12095, 13865, 14160, 14514, 14760, 15416, 16638, 16920, 17343, 19270, 19352, 21240, 21771, 22184, 23124, 24190, 24957, 27730, 28905, 29028, 29520, 30832, 33276, 33840, 34686, 36285, 38540, 38704, 41595, 42480, 43542, 44368, 46248, 48380, 49914, 55460, 57810, 58056, 66552, 69372, 72570, 77080, 83190, 86715, 87084, 92496, 96760, 99828, 108855, 110920, 113693, 115620, 116112, 124785, 133104, 138744, 145140, 154160, 166380, 173430, 174168, 193520, 199656, 217710, 221840, 227386, 231240, 249570, 277488, 290280, 332760, 341079, 346860, 348336, 399312, 435420, 454772, 462480, 499140, 568465, 580560, 665520, 682158, 693720, 870840, 909544, 998280, 1023237, 1136930, 1364316, 1387440, 1705395, 1741680, 1819088, 1996560, 2046474, 2273860, 2728632, 3410790, 4092948, 4547720, 5116185, 5457264, 6821580, 8185896, 9095440, 10232370, 13643160, 16371792, 20464740, 27286320, 40929480, 81858960]

約数ペア:

[(1, 81858960), (2, 40929480), (3, 27286320), (4, 20464740), (5, 16371792), (6, 13643160), (8, 10232370), (9, 9095440), (10, 8185896), (12, 6821580), (15, 5457264), (16, 5116185), (18, 4547720), (20, 4092948), (24, 3410790), (30, 2728632), (36, 2273860), (40, 2046474), (41, 1996560), (45, 1819088), (47, 1741680), (48, 1705395), (59, 1387440), (60, 1364316), (72, 1136930), (80, 1023237), (82, 998280), (90, 909544), (94, 870840), (118, 693720), (120, 682158), (123, 665520), (141, 580560), (144, 568465), (164, 499140), (177, 462480), (180, 454772), (188, 435420), (205, 399312), (235, 348336), (236, 346860), (240, 341079), (246, 332760), (282, 290280), (295, 277488), (328, 249570), (354, 231240), (360, 227386), (369, 221840), (376, 217710), (410, 199656), (423, 193520), (470, 174168), (472, 173430), (492, 166380), (531, 154160), (564, 145140), (590, 138744), (615, 133104), (656, 124785), (705, 116112), (708, 115620), (720, 113693), (738, 110920), (752, 108855), (820, 99828), (846, 96760), (885, 92496), (940, 87084), (944, 86715), (984, 83190), (1062, 77080), (1128, 72570), (1180, 69372), (1230, 66552), (1410, 58056), (1416, 57810), (1476, 55460), (1640, 49914), (1692, 48380), (1770, 46248), (1845, 44368), (1880, 43542), (1927, 42480), (1968, 41595), (2115, 38704), (2124, 38540), (2256, 36285), (2360, 34686), (2419, 33840), (2460, 33276), (2655, 30832), (2773, 29520), (2820, 29028), (2832, 28905), (2952, 27730), (3280, 24957), (3384, 24190), (3540, 23124), (3690, 22184), (3760, 21771), (3854, 21240), (4230, 19352), (4248, 19270), (4720, 17343), (4838, 16920), (4920, 16638), (5310, 15416), (5546, 14760), (5640, 14514), (5781, 14160), (5904, 13865), (6768, 12095), (7080, 11562), (7257, 11280), (7380, 11092), (7708, 10620), (8319, 9840), (8460, 9676), (8496, 9635)]