19967836500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{139}}^1\times {\mathrm{3547}}^1$

素因数の和:3717

約数の個数: 240

約数和(自身を含む): 65632607040

約数和(自身を除く): 45664770540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 139, 150, 162, 180, 225, 250, 270, 278, 300, 324, 375, 405, 417, 450, 500, 540, 556, 675, 695, 750, 810, 834, 900, 1125, 1251, 1350, 1390, 1500, 1620, 1668, 2025, 2085, 2250, 2502, 2700, 2780, 3375, 3475, 3547, 3753, 4050, 4170, 4500, 5004, 6255, 6750, 6950, 7094, 7506, 8100, 8340, 10125, 10425, 10641, 11259, 12510, 13500, 13900, 14188, 15012, 17375, 17735, 18765, 20250, 20850, 21282, 22518, 25020, 31275, 31923, 34750, 35470, 37530, 40500, 41700, 42564, 45036, 52125, 53205, 56295, 62550, 63846, 69500, 70940, 75060, 88675, 93825, 95769, 104250, 106410, 112590, 125100, 127692, 156375, 159615, 177350, 187650, 191538, 208500, 212820, 225180, 266025, 281475, 287307, 312750, 319230, 354700, 375300, 383076, 443375, 469125, 478845, 493033, 532050, 562950, 574614, 625500, 638460, 798075, 886750, 938250, 957690, 986066, 1064100, 1125900, 1149228, 1330125, 1407375, 1436535, 1479099, 1596150, 1773500, 1876500, 1915380, 1972132, 2394225, 2465165, 2660250, 2814750, 2873070, 2958198, 3192300, 3990375, 4437297, 4788450, 4930330, 5320500, 5629500, 5746140, 5916396, 7182675, 7395495, 7980750, 8874594, 9576900, 9860660, 11971125, 12325825, 13311891, 14365350, 14790990, 15961500, 17749188, 22186485, 23942250, 24651650, 26623782, 28730700, 29581980, 35913375, 36977475, 39935673, 44372970, 47884500, 49303300, 53247564, 61629125, 66559455, 71826750, 73954950, 79871346, 88745940, 110932425, 123258250, 133118910, 143653500, 147909900, 159742692, 184887375, 199678365, 221864850, 246516500, 266237820, 332797275, 369774750, 399356730, 443729700, 554662125, 665594550, 739549500, 798713460, 998391825, 1109324250, 1331189100, 1663986375, 1996783650, 2218648500, 3327972750, 3993567300, 4991959125, 6655945500, 9983918250, 19967836500]

約数ペア:

[(1, 19967836500), (2, 9983918250), (3, 6655945500), (4, 4991959125), (5, 3993567300), (6, 3327972750), (9, 2218648500), (10, 1996783650), (12, 1663986375), (15, 1331189100), (18, 1109324250), (20, 998391825), (25, 798713460), (27, 739549500), (30, 665594550), (36, 554662125), (45, 443729700), (50, 399356730), (54, 369774750), (60, 332797275), (75, 266237820), (81, 246516500), (90, 221864850), (100, 199678365), (108, 184887375), (125, 159742692), (135, 147909900), (139, 143653500), (150, 133118910), (162, 123258250), (180, 110932425), (225, 88745940), (250, 79871346), (270, 73954950), (278, 71826750), (300, 66559455), (324, 61629125), (375, 53247564), (405, 49303300), (417, 47884500), (450, 44372970), (500, 39935673), (540, 36977475), (556, 35913375), (675, 29581980), (695, 28730700), (750, 26623782), (810, 24651650), (834, 23942250), (900, 22186485), (1125, 17749188), (1251, 15961500), (1350, 14790990), (1390, 14365350), (1500, 13311891), (1620, 12325825), (1668, 11971125), (2025, 9860660), (2085, 9576900), (2250, 8874594), (2502, 7980750), (2700, 7395495), (2780, 7182675), (3375, 5916396), (3475, 5746140), (3547, 5629500), (3753, 5320500), (4050, 4930330), (4170, 4788450), (4500, 4437297), (5004, 3990375), (6255, 3192300), (6750, 2958198), (6950, 2873070), (7094, 2814750), (7506, 2660250), (8100, 2465165), (8340, 2394225), (10125, 1972132), (10425, 1915380), (10641, 1876500), (11259, 1773500), (12510, 1596150), (13500, 1479099), (13900, 1436535), (14188, 1407375), (15012, 1330125), (17375, 1149228), (17735, 1125900), (18765, 1064100), (20250, 986066), (20850, 957690), (21282, 938250), (22518, 886750), (25020, 798075), (31275, 638460), (31923, 625500), (34750, 574614), (35470, 562950), (37530, 532050), (40500, 493033), (41700, 478845), (42564, 469125), (45036, 443375), (52125, 383076), (53205, 375300), (56295, 354700), (62550, 319230), (63846, 312750), (69500, 287307), (70940, 281475), (75060, 266025), (88675, 225180), (93825, 212820), (95769, 208500), (104250, 191538), (106410, 187650), (112590, 177350), (125100, 159615), (127692, 156375)]