281325000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 997436160

約数和(自身を除く): 716111160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 31, 33, 40, 44, 50, 55, 60, 62, 66, 75, 88, 93, 100, 110, 120, 121, 124, 125, 132, 150, 155, 165, 186, 200, 220, 242, 248, 250, 264, 275, 300, 310, 330, 341, 363, 372, 375, 440, 465, 484, 500, 550, 600, 605, 620, 625, 660, 682, 726, 744, 750, 775, 825, 930, 968, 1000, 1023, 1100, 1210, 1240, 1250, 1320, 1364, 1375, 1452, 1500, 1550, 1650, 1705, 1815, 1860, 1875, 2046, 2200, 2325, 2420, 2500, 2728, 2750, 2904, 3000, 3025, 3100, 3125, 3300, 3410, 3630, 3720, 3750, 3751, 3875, 4092, 4125, 4650, 4840, 5000, 5115, 5500, 6050, 6200, 6250, 6600, 6820, 6875, 7260, 7500, 7502, 7750, 8184, 8250, 8525, 9075, 9300, 9375, 10230, 11000, 11253, 11625, 12100, 12500, 13640, 13750, 14520, 15000, 15004, 15125, 15500, 16500, 17050, 18150, 18600, 18750, 18755, 19375, 20460, 20625, 22506, 23250, 24200, 25000, 25575, 27500, 30008, 30250, 31000, 33000, 34100, 34375, 36300, 37500, 37510, 38750, 40920, 41250, 42625, 45012, 45375, 46500, 51150, 55000, 56265, 58125, 60500, 68200, 68750, 72600, 75000, 75020, 75625, 77500, 82500, 85250, 90024, 90750, 93000, 93775, 96875, 102300, 103125, 112530, 116250, 121000, 127875, 137500, 150040, 151250, 155000, 165000, 170500, 181500, 187550, 193750, 204600, 206250, 213125, 225060, 226875, 232500, 255750, 275000, 281325, 290625, 302500, 341000, 363000, 375100, 378125, 387500, 412500, 426250, 450120, 453750, 465000, 468875, 511500, 562650, 581250, 605000, 639375, 750200, 756250, 775000, 825000, 852500, 907500, 937750, 1023000, 1065625, 1125300, 1134375, 1162500, 1278750, 1406625, 1512500, 1705000, 1815000, 1875500, 2131250, 2250600, 2268750, 2325000, 2344375, 2557500, 2813250, 3025000, 3196875, 3751000, 4262500, 4537500, 4688750, 5115000, 5626500, 6393750, 7033125, 8525000, 9075000, 9377500, 11253000, 11721875, 12787500, 14066250, 18755000, 23443750, 25575000, 28132500, 35165625, 46887500, 56265000, 70331250, 93775000, 140662500, 281325000]

約数ペア:

[(1, 281325000), (2, 140662500), (3, 93775000), (4, 70331250), (5, 56265000), (6, 46887500), (8, 35165625), (10, 28132500), (11, 25575000), (12, 23443750), (15, 18755000), (20, 14066250), (22, 12787500), (24, 11721875), (25, 11253000), (30, 9377500), (31, 9075000), (33, 8525000), (40, 7033125), (44, 6393750), (50, 5626500), (55, 5115000), (60, 4688750), (62, 4537500), (66, 4262500), (75, 3751000), (88, 3196875), (93, 3025000), (100, 2813250), (110, 2557500), (120, 2344375), (121, 2325000), (124, 2268750), (125, 2250600), (132, 2131250), (150, 1875500), (155, 1815000), (165, 1705000), (186, 1512500), (200, 1406625), (220, 1278750), (242, 1162500), (248, 1134375), (250, 1125300), (264, 1065625), (275, 1023000), (300, 937750), (310, 907500), (330, 852500), (341, 825000), (363, 775000), (372, 756250), (375, 750200), (440, 639375), (465, 605000), (484, 581250), (500, 562650), (550, 511500), (600, 468875), (605, 465000), (620, 453750), (625, 450120), (660, 426250), (682, 412500), (726, 387500), (744, 378125), (750, 375100), (775, 363000), (825, 341000), (930, 302500), (968, 290625), (1000, 281325), (1023, 275000), (1100, 255750), (1210, 232500), (1240, 226875), (1250, 225060), (1320, 213125), (1364, 206250), (1375, 204600), (1452, 193750), (1500, 187550), (1550, 181500), (1650, 170500), (1705, 165000), (1815, 155000), (1860, 151250), (1875, 150040), (2046, 137500), (2200, 127875), (2325, 121000), (2420, 116250), (2500, 112530), (2728, 103125), (2750, 102300), (2904, 96875), (3000, 93775), (3025, 93000), (3100, 90750), (3125, 90024), (3300, 85250), (3410, 82500), (3630, 77500), (3720, 75625), (3750, 75020), (3751, 75000), (3875, 72600), (4092, 68750), (4125, 68200), (4650, 60500), (4840, 58125), (5000, 56265), (5115, 55000), (5500, 51150), (6050, 46500), (6200, 45375), (6250, 45012), (6600, 42625), (6820, 41250), (6875, 40920), (7260, 38750), (7500, 37510), (7502, 37500), (7750, 36300), (8184, 34375), (8250, 34100), (8525, 33000), (9075, 31000), (9300, 30250), (9375, 30008), (10230, 27500), (11000, 25575), (11253, 25000), (11625, 24200), (12100, 23250), (12500, 22506), (13640, 20625), (13750, 20460), (14520, 19375), (15000, 18755), (15004, 18750), (15125, 18600), (15500, 18150), (16500, 17050)]