68905080

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 224

約数和(自身を含む): 247892400

約数和(自身を除く): 178987320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 139, 153, 162, 170, 180, 204, 216, 243, 255, 270, 278, 306, 324, 340, 360, 405, 408, 417, 459, 486, 510, 540, 556, 612, 648, 680, 695, 729, 765, 810, 834, 918, 972, 1020, 1080, 1112, 1215, 1224, 1251, 1377, 1390, 1458, 1530, 1620, 1668, 1836, 1944, 2040, 2085, 2295, 2363, 2430, 2502, 2754, 2780, 2916, 3060, 3240, 3336, 3645, 3672, 3753, 4131, 4170, 4590, 4726, 4860, 5004, 5508, 5560, 5832, 6120, 6255, 6885, 7089, 7290, 7506, 8262, 8340, 9180, 9452, 9720, 10008, 11016, 11259, 11815, 12393, 12510, 13770, 14178, 14580, 15012, 16524, 16680, 18360, 18765, 18904, 20655, 21267, 22518, 23630, 24786, 25020, 27540, 28356, 29160, 30024, 33048, 33777, 35445, 37530, 41310, 42534, 45036, 47260, 49572, 50040, 55080, 56295, 56712, 61965, 63801, 67554, 70890, 75060, 82620, 85068, 90072, 94520, 99144, 101331, 106335, 112590, 123930, 127602, 135108, 141780, 150120, 165240, 168885, 170136, 191403, 202662, 212670, 225180, 247860, 255204, 270216, 283560, 319005, 337770, 382806, 405324, 425340, 450360, 495720, 506655, 510408, 574209, 638010, 675540, 765612, 810648, 850680, 957015, 1013310, 1148418, 1276020, 1351080, 1531224, 1722627, 1914030, 2026620, 2296836, 2552040, 2871045, 3445254, 3828060, 4053240, 4593672, 5742090, 6890508, 7656120, 8613135, 11484180, 13781016, 17226270, 22968360, 34452540, 68905080]

約数ペア:

[(1, 68905080), (2, 34452540), (3, 22968360), (4, 17226270), (5, 13781016), (6, 11484180), (8, 8613135), (9, 7656120), (10, 6890508), (12, 5742090), (15, 4593672), (17, 4053240), (18, 3828060), (20, 3445254), (24, 2871045), (27, 2552040), (30, 2296836), (34, 2026620), (36, 1914030), (40, 1722627), (45, 1531224), (51, 1351080), (54, 1276020), (60, 1148418), (68, 1013310), (72, 957015), (81, 850680), (85, 810648), (90, 765612), (102, 675540), (108, 638010), (120, 574209), (135, 510408), (136, 506655), (139, 495720), (153, 450360), (162, 425340), (170, 405324), (180, 382806), (204, 337770), (216, 319005), (243, 283560), (255, 270216), (270, 255204), (278, 247860), (306, 225180), (324, 212670), (340, 202662), (360, 191403), (405, 170136), (408, 168885), (417, 165240), (459, 150120), (486, 141780), (510, 135108), (540, 127602), (556, 123930), (612, 112590), (648, 106335), (680, 101331), (695, 99144), (729, 94520), (765, 90072), (810, 85068), (834, 82620), (918, 75060), (972, 70890), (1020, 67554), (1080, 63801), (1112, 61965), (1215, 56712), (1224, 56295), (1251, 55080), (1377, 50040), (1390, 49572), (1458, 47260), (1530, 45036), (1620, 42534), (1668, 41310), (1836, 37530), (1944, 35445), (2040, 33777), (2085, 33048), (2295, 30024), (2363, 29160), (2430, 28356), (2502, 27540), (2754, 25020), (2780, 24786), (2916, 23630), (3060, 22518), (3240, 21267), (3336, 20655), (3645, 18904), (3672, 18765), (3753, 18360), (4131, 16680), (4170, 16524), (4590, 15012), (4726, 14580), (4860, 14178), (5004, 13770), (5508, 12510), (5560, 12393), (5832, 11815), (6120, 11259), (6255, 11016), (6885, 10008), (7089, 9720), (7290, 9452), (7506, 9180), (8262, 8340)]