257027400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{20399}}^1$

素因数の和:20428

約数の個数: 144

約数和(自身を含む): 986544000

約数和(自身を除く): 729516600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 12600, 20399, 40798, 61197, 81596, 101995, 122394, 142793, 163192, 183591, 203990, 244788, 285586, 305985, 367182, 407980, 428379, 489576, 509975, 571172, 611970, 713965, 734364, 815960, 856758, 917955, 1019950, 1142344, 1223940, 1285137, 1427930, 1468728, 1529925, 1713516, 1835910, 2039900, 2141895, 2447880, 2570274, 2855860, 3059850, 3427032, 3569825, 3671820, 4079800, 4283790, 4589775, 5140548, 5711720, 6119700, 6425685, 7139650, 7343640, 8567580, 9179550, 10281096, 10709475, 12239400, 12851370, 14279300, 17135160, 18359100, 21418950, 25702740, 28558600, 32128425, 36718200, 42837900, 51405480, 64256850, 85675800, 128513700, 257027400]

約数ペア:

[(1, 257027400), (2, 128513700), (3, 85675800), (4, 64256850), (5, 51405480), (6, 42837900), (7, 36718200), (8, 32128425), (9, 28558600), (10, 25702740), (12, 21418950), (14, 18359100), (15, 17135160), (18, 14279300), (20, 12851370), (21, 12239400), (24, 10709475), (25, 10281096), (28, 9179550), (30, 8567580), (35, 7343640), (36, 7139650), (40, 6425685), (42, 6119700), (45, 5711720), (50, 5140548), (56, 4589775), (60, 4283790), (63, 4079800), (70, 3671820), (72, 3569825), (75, 3427032), (84, 3059850), (90, 2855860), (100, 2570274), (105, 2447880), (120, 2141895), (126, 2039900), (140, 1835910), (150, 1713516), (168, 1529925), (175, 1468728), (180, 1427930), (200, 1285137), (210, 1223940), (225, 1142344), (252, 1019950), (280, 917955), (300, 856758), (315, 815960), (350, 734364), (360, 713965), (420, 611970), (450, 571172), (504, 509975), (525, 489576), (600, 428379), (630, 407980), (700, 367182), (840, 305985), (900, 285586), (1050, 244788), (1260, 203990), (1400, 183591), (1575, 163192), (1800, 142793), (2100, 122394), (2520, 101995), (3150, 81596), (4200, 61197), (6300, 40798), (12600, 20399)]