21668400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:500

約数の個数: 180

約数和(自身を含む): 81154528

約数和(自身を除く): 59486128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 360, 390, 400, 450, 463, 468, 520, 585, 600, 624, 650, 720, 780, 900, 926, 936, 975, 1040, 1170, 1200, 1300, 1389, 1560, 1800, 1852, 1872, 1950, 2315, 2340, 2600, 2778, 2925, 3120, 3600, 3704, 3900, 4167, 4630, 4680, 5200, 5556, 5850, 6019, 6945, 7408, 7800, 8334, 9260, 9360, 11112, 11575, 11700, 12038, 13890, 15600, 16668, 18057, 18520, 20835, 22224, 23150, 23400, 24076, 27780, 30095, 33336, 34725, 36114, 37040, 41670, 46300, 46800, 48152, 54171, 55560, 60190, 66672, 69450, 72228, 83340, 90285, 92600, 96304, 104175, 108342, 111120, 120380, 138900, 144456, 150475, 166680, 180570, 185200, 208350, 216684, 240760, 270855, 277800, 288912, 300950, 333360, 361140, 416700, 433368, 451425, 481520, 541710, 555600, 601900, 722280, 833400, 866736, 902850, 1083420, 1203800, 1354275, 1444560, 1666800, 1805700, 2166840, 2407600, 2708550, 3611400, 4333680, 5417100, 7222800, 10834200, 21668400]

約数ペア:

[(1, 21668400), (2, 10834200), (3, 7222800), (4, 5417100), (5, 4333680), (6, 3611400), (8, 2708550), (9, 2407600), (10, 2166840), (12, 1805700), (13, 1666800), (15, 1444560), (16, 1354275), (18, 1203800), (20, 1083420), (24, 902850), (25, 866736), (26, 833400), (30, 722280), (36, 601900), (39, 555600), (40, 541710), (45, 481520), (48, 451425), (50, 433368), (52, 416700), (60, 361140), (65, 333360), (72, 300950), (75, 288912), (78, 277800), (80, 270855), (90, 240760), (100, 216684), (104, 208350), (117, 185200), (120, 180570), (130, 166680), (144, 150475), (150, 144456), (156, 138900), (180, 120380), (195, 111120), (200, 108342), (208, 104175), (225, 96304), (234, 92600), (240, 90285), (260, 83340), (300, 72228), (312, 69450), (325, 66672), (360, 60190), (390, 55560), (400, 54171), (450, 48152), (463, 46800), (468, 46300), (520, 41670), (585, 37040), (600, 36114), (624, 34725), (650, 33336), (720, 30095), (780, 27780), (900, 24076), (926, 23400), (936, 23150), (975, 22224), (1040, 20835), (1170, 18520), (1200, 18057), (1300, 16668), (1389, 15600), (1560, 13890), (1800, 12038), (1852, 11700), (1872, 11575), (1950, 11112), (2315, 9360), (2340, 9260), (2600, 8334), (2778, 7800), (2925, 7408), (3120, 6945), (3600, 6019), (3704, 5850), (3900, 5556), (4167, 5200), (4630, 4680)]