28657120680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{673}}^1$

素因数の和:1225

約数の個数: 256

約数和(自身を含む): 96958944000

約数和(自身を除く): 68301823320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 89, 90, 108, 120, 135, 178, 180, 216, 267, 270, 356, 360, 443, 445, 534, 540, 673, 712, 801, 886, 890, 1068, 1080, 1329, 1335, 1346, 1602, 1772, 1780, 2019, 2136, 2215, 2403, 2658, 2670, 2692, 3204, 3365, 3544, 3560, 3987, 4005, 4038, 4430, 4806, 5316, 5340, 5384, 6057, 6408, 6645, 6730, 7974, 8010, 8076, 8860, 9612, 10095, 10632, 10680, 11961, 12015, 12114, 13290, 13460, 15948, 16020, 16152, 17720, 18171, 19224, 19935, 20190, 23922, 24030, 24228, 26580, 26920, 30285, 31896, 32040, 36342, 39427, 39870, 40380, 47844, 48060, 48456, 53160, 59805, 59897, 60570, 72684, 78854, 79740, 80760, 90855, 95688, 96120, 118281, 119610, 119794, 121140, 145368, 157708, 159480, 179691, 181710, 197135, 236562, 239220, 239588, 242280, 298139, 299485, 315416, 354843, 359382, 363420, 394270, 473124, 478440, 479176, 539073, 591405, 596278, 598970, 709686, 718764, 726840, 788540, 894417, 898455, 946248, 1064529, 1078146, 1182810, 1192556, 1197940, 1419372, 1437528, 1490695, 1577080, 1617219, 1774215, 1788834, 1796910, 2129058, 2156292, 2365620, 2385112, 2395880, 2683251, 2695365, 2838744, 2981390, 3234438, 3548430, 3577668, 3593820, 4258116, 4312584, 4472085, 4731240, 5322645, 5366502, 5390730, 5962780, 6468876, 7096860, 7155336, 7187640, 8049753, 8086095, 8516232, 8944170, 10645290, 10733004, 10781460, 11925560, 12937752, 13416255, 14193720, 16099506, 16172190, 17888340, 21290580, 21466008, 21562920, 26534371, 26832510, 32199012, 32344380, 35776680, 40248765, 42581160, 53068742, 53665020, 64398024, 64688760, 79603113, 80497530, 106137484, 107330040, 132671855, 159206226, 160995060, 212274968, 238809339, 265343710, 318412452, 321990120, 398015565, 477618678, 530687420, 636824904, 716428017, 796031130, 955237356, 1061374840, 1194046695, 1432856034, 1592062260, 1910474712, 2388093390, 2865712068, 3184124520, 3582140085, 4776186780, 5731424136, 7164280170, 9552373560, 14328560340, 28657120680]

約数ペア:

[(1, 28657120680), (2, 14328560340), (3, 9552373560), (4, 7164280170), (5, 5731424136), (6, 4776186780), (8, 3582140085), (9, 3184124520), (10, 2865712068), (12, 2388093390), (15, 1910474712), (18, 1592062260), (20, 1432856034), (24, 1194046695), (27, 1061374840), (30, 955237356), (36, 796031130), (40, 716428017), (45, 636824904), (54, 530687420), (60, 477618678), (72, 398015565), (89, 321990120), (90, 318412452), (108, 265343710), (120, 238809339), (135, 212274968), (178, 160995060), (180, 159206226), (216, 132671855), (267, 107330040), (270, 106137484), (356, 80497530), (360, 79603113), (443, 64688760), (445, 64398024), (534, 53665020), (540, 53068742), (673, 42581160), (712, 40248765), (801, 35776680), (886, 32344380), (890, 32199012), (1068, 26832510), (1080, 26534371), (1329, 21562920), (1335, 21466008), (1346, 21290580), (1602, 17888340), (1772, 16172190), (1780, 16099506), (2019, 14193720), (2136, 13416255), (2215, 12937752), (2403, 11925560), (2658, 10781460), (2670, 10733004), (2692, 10645290), (3204, 8944170), (3365, 8516232), (3544, 8086095), (3560, 8049753), (3987, 7187640), (4005, 7155336), (4038, 7096860), (4430, 6468876), (4806, 5962780), (5316, 5390730), (5340, 5366502), (5384, 5322645), (6057, 4731240), (6408, 4472085), (6645, 4312584), (6730, 4258116), (7974, 3593820), (8010, 3577668), (8076, 3548430), (8860, 3234438), (9612, 2981390), (10095, 2838744), (10632, 2695365), (10680, 2683251), (11961, 2395880), (12015, 2385112), (12114, 2365620), (13290, 2156292), (13460, 2129058), (15948, 1796910), (16020, 1788834), (16152, 1774215), (17720, 1617219), (18171, 1577080), (19224, 1490695), (19935, 1437528), (20190, 1419372), (23922, 1197940), (24030, 1192556), (24228, 1182810), (26580, 1078146), (26920, 1064529), (30285, 946248), (31896, 898455), (32040, 894417), (36342, 788540), (39427, 726840), (39870, 718764), (40380, 709686), (47844, 598970), (48060, 596278), (48456, 591405), (53160, 539073), (59805, 479176), (59897, 478440), (60570, 473124), (72684, 394270), (78854, 363420), (79740, 359382), (80760, 354843), (90855, 315416), (95688, 299485), (96120, 298139), (118281, 242280), (119610, 239588), (119794, 239220), (121140, 236562), (145368, 197135), (157708, 181710), (159480, 179691)]