18766800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:438

約数の個数: 180

約数和(自身を含む): 70310604

約数和(自身を除く): 51543804

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, 401, 450, 468, 520, 585, 600, 624, 650, 720, 780, 802, 900, 936, 975, 1040, 1170, 1200, 1203, 1300, 1560, 1604, 1800, 1872, 1950, 2005, 2340, 2406, 2600, 2925, 3120, 3208, 3600, 3609, 3900, 4010, 4680, 4812, 5200, 5213, 5850, 6015, 6416, 7218, 7800, 8020, 9360, 9624, 10025, 10426, 11700, 12030, 14436, 15600, 15639, 16040, 18045, 19248, 20050, 20852, 23400, 24060, 26065, 28872, 30075, 31278, 32080, 36090, 40100, 41704, 46800, 46917, 48120, 52130, 57744, 60150, 62556, 72180, 78195, 80200, 83408, 90225, 93834, 96240, 104260, 120300, 125112, 130325, 144360, 156390, 160400, 180450, 187668, 208520, 234585, 240600, 250224, 260650, 288720, 312780, 360900, 375336, 390975, 417040, 469170, 481200, 521300, 625560, 721800, 750672, 781950, 938340, 1042600, 1172925, 1251120, 1443600, 1563900, 1876680, 2085200, 2345850, 3127800, 3753360, 4691700, 6255600, 9383400, 18766800]

約数ペア:

[(1, 18766800), (2, 9383400), (3, 6255600), (4, 4691700), (5, 3753360), (6, 3127800), (8, 2345850), (9, 2085200), (10, 1876680), (12, 1563900), (13, 1443600), (15, 1251120), (16, 1172925), (18, 1042600), (20, 938340), (24, 781950), (25, 750672), (26, 721800), (30, 625560), (36, 521300), (39, 481200), (40, 469170), (45, 417040), (48, 390975), (50, 375336), (52, 360900), (60, 312780), (65, 288720), (72, 260650), (75, 250224), (78, 240600), (80, 234585), (90, 208520), (100, 187668), (104, 180450), (117, 160400), (120, 156390), (130, 144360), (144, 130325), (150, 125112), (156, 120300), (180, 104260), (195, 96240), (200, 93834), (208, 90225), (225, 83408), (234, 80200), (240, 78195), (260, 72180), (300, 62556), (312, 60150), (325, 57744), (360, 52130), (390, 48120), (400, 46917), (401, 46800), (450, 41704), (468, 40100), (520, 36090), (585, 32080), (600, 31278), (624, 30075), (650, 28872), (720, 26065), (780, 24060), (802, 23400), (900, 20852), (936, 20050), (975, 19248), (1040, 18045), (1170, 16040), (1200, 15639), (1203, 15600), (1300, 14436), (1560, 12030), (1604, 11700), (1800, 10426), (1872, 10025), (1950, 9624), (2005, 9360), (2340, 8020), (2406, 7800), (2600, 7218), (2925, 6416), (3120, 6015), (3208, 5850), (3600, 5213), (3609, 5200), (3900, 4812), (4010, 4680)]