20647485000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{463}}^1\times {\mathrm{991}}^1$

素因数の和:1486

約数の個数: 240

約数和(自身を含む): 70099560960

約数和(自身を除く): 49452075960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 463, 500, 600, 625, 750, 900, 926, 991, 1000, 1125, 1250, 1389, 1500, 1800, 1852, 1875, 1982, 2250, 2315, 2500, 2778, 2973, 3000, 3704, 3750, 3964, 4167, 4500, 4630, 4955, 5000, 5556, 5625, 5946, 6945, 7500, 7928, 8334, 8919, 9000, 9260, 9910, 11112, 11250, 11575, 11892, 13890, 14865, 15000, 16668, 17838, 18520, 19820, 20835, 22500, 23150, 23784, 24775, 27780, 29730, 33336, 34725, 35676, 39640, 41670, 44595, 45000, 46300, 49550, 55560, 57875, 59460, 69450, 71352, 74325, 83340, 89190, 92600, 99100, 104175, 115750, 118920, 123875, 138900, 148650, 166680, 173625, 178380, 198200, 208350, 222975, 231500, 247750, 277800, 289375, 297300, 347250, 356760, 371625, 416700, 445950, 458833, 463000, 495500, 520875, 578750, 594600, 619375, 694500, 743250, 833400, 868125, 891900, 917666, 991000, 1041750, 1114875, 1157500, 1238750, 1376499, 1389000, 1486500, 1736250, 1783800, 1835332, 1858125, 2083500, 2229750, 2294165, 2315000, 2477500, 2604375, 2752998, 2973000, 3472500, 3670664, 3716250, 4129497, 4167000, 4459500, 4588330, 4955000, 5208750, 5505996, 5574375, 6882495, 6945000, 7432500, 8258994, 8919000, 9176660, 10417500, 11011992, 11148750, 11470825, 13764990, 14865000, 16517988, 18353320, 20647485, 20835000, 22297500, 22941650, 27529980, 33035976, 34412475, 41294970, 44595000, 45883300, 55059960, 57354125, 68824950, 82589940, 91766600, 103237425, 114708250, 137649900, 165179880, 172062375, 206474850, 229416500, 275299800, 286770625, 344124750, 412949700, 458833000, 516187125, 573541250, 688249500, 825899400, 860311875, 1032374250, 1147082500, 1376499000, 1720623750, 2064748500, 2294165000, 2580935625, 3441247500, 4129497000, 5161871250, 6882495000, 10323742500, 20647485000]

約数ペア:

[(1, 20647485000), (2, 10323742500), (3, 6882495000), (4, 5161871250), (5, 4129497000), (6, 3441247500), (8, 2580935625), (9, 2294165000), (10, 2064748500), (12, 1720623750), (15, 1376499000), (18, 1147082500), (20, 1032374250), (24, 860311875), (25, 825899400), (30, 688249500), (36, 573541250), (40, 516187125), (45, 458833000), (50, 412949700), (60, 344124750), (72, 286770625), (75, 275299800), (90, 229416500), (100, 206474850), (120, 172062375), (125, 165179880), (150, 137649900), (180, 114708250), (200, 103237425), (225, 91766600), (250, 82589940), (300, 68824950), (360, 57354125), (375, 55059960), (450, 45883300), (463, 44595000), (500, 41294970), (600, 34412475), (625, 33035976), (750, 27529980), (900, 22941650), (926, 22297500), (991, 20835000), (1000, 20647485), (1125, 18353320), (1250, 16517988), (1389, 14865000), (1500, 13764990), (1800, 11470825), (1852, 11148750), (1875, 11011992), (1982, 10417500), (2250, 9176660), (2315, 8919000), (2500, 8258994), (2778, 7432500), (2973, 6945000), (3000, 6882495), (3704, 5574375), (3750, 5505996), (3964, 5208750), (4167, 4955000), (4500, 4588330), (4630, 4459500), (4955, 4167000), (5000, 4129497), (5556, 3716250), (5625, 3670664), (5946, 3472500), (6945, 2973000), (7500, 2752998), (7928, 2604375), (8334, 2477500), (8919, 2315000), (9000, 2294165), (9260, 2229750), (9910, 2083500), (11112, 1858125), (11250, 1835332), (11575, 1783800), (11892, 1736250), (13890, 1486500), (14865, 1389000), (15000, 1376499), (16668, 1238750), (17838, 1157500), (18520, 1114875), (19820, 1041750), (20835, 991000), (22500, 917666), (23150, 891900), (23784, 868125), (24775, 833400), (27780, 743250), (29730, 694500), (33336, 619375), (34725, 594600), (35676, 578750), (39640, 520875), (41670, 495500), (44595, 463000), (45000, 458833), (46300, 445950), (49550, 416700), (55560, 371625), (57875, 356760), (59460, 347250), (69450, 297300), (71352, 289375), (74325, 277800), (83340, 247750), (89190, 231500), (92600, 222975), (99100, 208350), (104175, 198200), (115750, 178380), (118920, 173625), (123875, 166680), (138900, 148650)]