620289540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:579

約数の個数: 288

約数和(自身を含む): 2219083776

約数和(自身を除く): 1598794236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 31, 34, 36, 39, 45, 51, 52, 60, 62, 65, 68, 78, 85, 90, 93, 102, 117, 124, 130, 153, 155, 156, 170, 180, 186, 195, 204, 221, 234, 255, 260, 279, 306, 310, 340, 372, 390, 403, 442, 465, 468, 503, 510, 527, 558, 585, 612, 620, 663, 765, 780, 806, 884, 930, 1006, 1020, 1054, 1105, 1116, 1170, 1209, 1326, 1395, 1509, 1530, 1581, 1612, 1860, 1989, 2012, 2015, 2108, 2210, 2340, 2418, 2515, 2635, 2652, 2790, 3018, 3060, 3162, 3315, 3627, 3978, 4030, 4420, 4527, 4743, 4836, 5030, 5270, 5580, 6036, 6045, 6324, 6539, 6630, 6851, 7254, 7545, 7905, 7956, 8060, 8551, 9054, 9486, 9945, 10060, 10540, 12090, 13078, 13260, 13702, 14508, 15090, 15593, 15810, 17102, 18108, 18135, 18972, 19617, 19890, 20553, 22635, 23715, 24180, 25653, 26156, 27404, 30180, 31186, 31620, 32695, 34204, 34255, 36270, 39234, 39780, 41106, 42755, 45270, 46779, 47430, 51306, 58851, 61659, 62372, 65390, 68510, 72540, 76959, 77965, 78468, 82212, 85510, 90540, 93558, 94860, 98085, 102612, 102765, 111163, 117702, 123318, 128265, 130780, 137020, 140337, 153918, 155930, 171020, 187116, 196170, 202709, 205530, 222326, 233895, 235404, 246636, 256530, 265081, 280674, 294255, 307836, 308295, 311860, 333489, 384795, 392340, 405418, 411060, 444652, 467790, 513060, 530162, 555815, 561348, 588510, 608127, 616590, 666978, 701685, 769590, 795243, 810836, 935580, 1000467, 1013545, 1060324, 1111630, 1177020, 1216254, 1233180, 1325405, 1333956, 1403370, 1539180, 1590486, 1667445, 1824381, 2000934, 2027090, 2223260, 2385729, 2432508, 2650810, 2806740, 3040635, 3180972, 3334890, 3446053, 3648762, 3976215, 4001868, 4054180, 4771458, 5002335, 5301620, 6081270, 6669780, 6892106, 7297524, 7952430, 9121905, 9542916, 10004670, 10338159, 11928645, 12162540, 13784212, 15904860, 17230265, 18243810, 20009340, 20676318, 23857290, 31014477, 34460530, 36487620, 41352636, 47714580, 51690795, 62028954, 68921060, 103381590, 124057908, 155072385, 206763180, 310144770, 620289540]

約数ペア:

[(1, 620289540), (2, 310144770), (3, 206763180), (4, 155072385), (5, 124057908), (6, 103381590), (9, 68921060), (10, 62028954), (12, 51690795), (13, 47714580), (15, 41352636), (17, 36487620), (18, 34460530), (20, 31014477), (26, 23857290), (30, 20676318), (31, 20009340), (34, 18243810), (36, 17230265), (39, 15904860), (45, 13784212), (51, 12162540), (52, 11928645), (60, 10338159), (62, 10004670), (65, 9542916), (68, 9121905), (78, 7952430), (85, 7297524), (90, 6892106), (93, 6669780), (102, 6081270), (117, 5301620), (124, 5002335), (130, 4771458), (153, 4054180), (155, 4001868), (156, 3976215), (170, 3648762), (180, 3446053), (186, 3334890), (195, 3180972), (204, 3040635), (221, 2806740), (234, 2650810), (255, 2432508), (260, 2385729), (279, 2223260), (306, 2027090), (310, 2000934), (340, 1824381), (372, 1667445), (390, 1590486), (403, 1539180), (442, 1403370), (465, 1333956), (468, 1325405), (503, 1233180), (510, 1216254), (527, 1177020), (558, 1111630), (585, 1060324), (612, 1013545), (620, 1000467), (663, 935580), (765, 810836), (780, 795243), (806, 769590), (884, 701685), (930, 666978), (1006, 616590), (1020, 608127), (1054, 588510), (1105, 561348), (1116, 555815), (1170, 530162), (1209, 513060), (1326, 467790), (1395, 444652), (1509, 411060), (1530, 405418), (1581, 392340), (1612, 384795), (1860, 333489), (1989, 311860), (2012, 308295), (2015, 307836), (2108, 294255), (2210, 280674), (2340, 265081), (2418, 256530), (2515, 246636), (2635, 235404), (2652, 233895), (2790, 222326), (3018, 205530), (3060, 202709), (3162, 196170), (3315, 187116), (3627, 171020), (3978, 155930), (4030, 153918), (4420, 140337), (4527, 137020), (4743, 130780), (4836, 128265), (5030, 123318), (5270, 117702), (5580, 111163), (6036, 102765), (6045, 102612), (6324, 98085), (6539, 94860), (6630, 93558), (6851, 90540), (7254, 85510), (7545, 82212), (7905, 78468), (7956, 77965), (8060, 76959), (8551, 72540), (9054, 68510), (9486, 65390), (9945, 62372), (10060, 61659), (10540, 58851), (12090, 51306), (13078, 47430), (13260, 46779), (13702, 45270), (14508, 42755), (15090, 41106), (15593, 39780), (15810, 39234), (17102, 36270), (18108, 34255), (18135, 34204), (18972, 32695), (19617, 31620), (19890, 31186), (20553, 30180), (22635, 27404), (23715, 26156), (24180, 25653)]