20178825000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{43}}^1\times {\mathrm{6257}}^1$

素因数の和:6334

約数の個数: 192

約数和(自身を含む): 64531494720

約数和(自身を除く): 44352669720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 129, 150, 172, 200, 215, 250, 258, 300, 344, 375, 430, 500, 516, 600, 625, 645, 750, 860, 1000, 1032, 1075, 1250, 1290, 1500, 1720, 1875, 2150, 2500, 2580, 3000, 3125, 3225, 3750, 4300, 5000, 5160, 5375, 6250, 6257, 6450, 7500, 8600, 9375, 10750, 12500, 12514, 12900, 15000, 16125, 18750, 18771, 21500, 25000, 25028, 25800, 26875, 31285, 32250, 37500, 37542, 43000, 50056, 53750, 62570, 64500, 75000, 75084, 80625, 93855, 107500, 125140, 129000, 134375, 150168, 156425, 161250, 187710, 215000, 250280, 268750, 269051, 312850, 322500, 375420, 403125, 469275, 537500, 538102, 625700, 645000, 750840, 782125, 806250, 807153, 938550, 1075000, 1076204, 1251400, 1345255, 1564250, 1612500, 1614306, 1877100, 2152408, 2346375, 2690510, 3128500, 3225000, 3228612, 3754200, 3910625, 4035765, 4692750, 5381020, 6257000, 6457224, 6726275, 7821250, 8071530, 9385500, 10762040, 11731875, 13452550, 15642500, 16143060, 18771000, 19553125, 20178825, 23463750, 26905100, 31285000, 32286120, 33631375, 39106250, 40357650, 46927500, 53810200, 58659375, 67262750, 78212500, 80715300, 93855000, 100894125, 117318750, 134525500, 156425000, 161430600, 168156875, 201788250, 234637500, 269051000, 336313750, 403576500, 469275000, 504470625, 672627500, 807153000, 840784375, 1008941250, 1345255000, 1681568750, 2017882500, 2522353125, 3363137500, 4035765000, 5044706250, 6726275000, 10089412500, 20178825000]

約数ペア:

[(1, 20178825000), (2, 10089412500), (3, 6726275000), (4, 5044706250), (5, 4035765000), (6, 3363137500), (8, 2522353125), (10, 2017882500), (12, 1681568750), (15, 1345255000), (20, 1008941250), (24, 840784375), (25, 807153000), (30, 672627500), (40, 504470625), (43, 469275000), (50, 403576500), (60, 336313750), (75, 269051000), (86, 234637500), (100, 201788250), (120, 168156875), (125, 161430600), (129, 156425000), (150, 134525500), (172, 117318750), (200, 100894125), (215, 93855000), (250, 80715300), (258, 78212500), (300, 67262750), (344, 58659375), (375, 53810200), (430, 46927500), (500, 40357650), (516, 39106250), (600, 33631375), (625, 32286120), (645, 31285000), (750, 26905100), (860, 23463750), (1000, 20178825), (1032, 19553125), (1075, 18771000), (1250, 16143060), (1290, 15642500), (1500, 13452550), (1720, 11731875), (1875, 10762040), (2150, 9385500), (2500, 8071530), (2580, 7821250), (3000, 6726275), (3125, 6457224), (3225, 6257000), (3750, 5381020), (4300, 4692750), (5000, 4035765), (5160, 3910625), (5375, 3754200), (6250, 3228612), (6257, 3225000), (6450, 3128500), (7500, 2690510), (8600, 2346375), (9375, 2152408), (10750, 1877100), (12500, 1614306), (12514, 1612500), (12900, 1564250), (15000, 1345255), (16125, 1251400), (18750, 1076204), (18771, 1075000), (21500, 938550), (25000, 807153), (25028, 806250), (25800, 782125), (26875, 750840), (31285, 645000), (32250, 625700), (37500, 538102), (37542, 537500), (43000, 469275), (50056, 403125), (53750, 375420), (62570, 322500), (64500, 312850), (75000, 269051), (75084, 268750), (80625, 250280), (93855, 215000), (107500, 187710), (125140, 161250), (129000, 156425), (134375, 150168)]