261065700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:776

約数の個数: 288

約数和(自身を含む): 1011046400

約数和(自身を除く): 749980700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 27, 28, 30, 35, 36, 38, 42, 45, 50, 54, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 108, 114, 126, 133, 135, 140, 150, 171, 175, 180, 189, 190, 210, 225, 228, 252, 266, 270, 285, 300, 315, 342, 350, 378, 380, 399, 420, 450, 475, 513, 525, 532, 540, 570, 630, 665, 675, 684, 700, 727, 756, 798, 855, 900, 945, 950, 1026, 1050, 1140, 1197, 1260, 1330, 1350, 1425, 1454, 1575, 1596, 1710, 1890, 1900, 1995, 2052, 2100, 2181, 2394, 2565, 2660, 2700, 2850, 2908, 3150, 3325, 3420, 3591, 3635, 3780, 3990, 4275, 4362, 4725, 4788, 5089, 5130, 5700, 5985, 6300, 6543, 6650, 7182, 7270, 7980, 8550, 8724, 9450, 9975, 10178, 10260, 10905, 11970, 12825, 13086, 13300, 13813, 14364, 14540, 15267, 17100, 17955, 18175, 18900, 19629, 19950, 20356, 21810, 23940, 25445, 25650, 26172, 27626, 29925, 30534, 32715, 35910, 36350, 39258, 39900, 41439, 43620, 45801, 50890, 51300, 54525, 55252, 59850, 61068, 65430, 69065, 71820, 72700, 76335, 78516, 82878, 89775, 91602, 96691, 98145, 101780, 109050, 119700, 124317, 127225, 130860, 137403, 138130, 152670, 163575, 165756, 179550, 183204, 193382, 196290, 207195, 218100, 229005, 248634, 254450, 274806, 276260, 290073, 305340, 327150, 345325, 359100, 372951, 381675, 386764, 392580, 414390, 458010, 483455, 490725, 497268, 508900, 549612, 580146, 621585, 654300, 687015, 690650, 745902, 763350, 828780, 870219, 916020, 966910, 981450, 1035975, 1145025, 1160292, 1243170, 1374030, 1381300, 1450365, 1491804, 1526700, 1740438, 1864755, 1933820, 1962900, 2071950, 2290050, 2417275, 2486340, 2610657, 2748060, 2900730, 3107925, 3435075, 3480876, 3729510, 4143900, 4351095, 4580100, 4834550, 5221314, 5801460, 6215850, 6870150, 7251825, 7459020, 8702190, 9323775, 9669100, 10442628, 12431700, 13053285, 13740300, 14503650, 17404380, 18647550, 21755475, 26106570, 29007300, 37295100, 43510950, 52213140, 65266425, 87021900, 130532850, 261065700]

約数ペア:

[(1, 261065700), (2, 130532850), (3, 87021900), (4, 65266425), (5, 52213140), (6, 43510950), (7, 37295100), (9, 29007300), (10, 26106570), (12, 21755475), (14, 18647550), (15, 17404380), (18, 14503650), (19, 13740300), (20, 13053285), (21, 12431700), (25, 10442628), (27, 9669100), (28, 9323775), (30, 8702190), (35, 7459020), (36, 7251825), (38, 6870150), (42, 6215850), (45, 5801460), (50, 5221314), (54, 4834550), (57, 4580100), (60, 4351095), (63, 4143900), (70, 3729510), (75, 3480876), (76, 3435075), (84, 3107925), (90, 2900730), (95, 2748060), (100, 2610657), (105, 2486340), (108, 2417275), (114, 2290050), (126, 2071950), (133, 1962900), (135, 1933820), (140, 1864755), (150, 1740438), (171, 1526700), (175, 1491804), (180, 1450365), (189, 1381300), (190, 1374030), (210, 1243170), (225, 1160292), (228, 1145025), (252, 1035975), (266, 981450), (270, 966910), (285, 916020), (300, 870219), (315, 828780), (342, 763350), (350, 745902), (378, 690650), (380, 687015), (399, 654300), (420, 621585), (450, 580146), (475, 549612), (513, 508900), (525, 497268), (532, 490725), (540, 483455), (570, 458010), (630, 414390), (665, 392580), (675, 386764), (684, 381675), (700, 372951), (727, 359100), (756, 345325), (798, 327150), (855, 305340), (900, 290073), (945, 276260), (950, 274806), (1026, 254450), (1050, 248634), (1140, 229005), (1197, 218100), (1260, 207195), (1330, 196290), (1350, 193382), (1425, 183204), (1454, 179550), (1575, 165756), (1596, 163575), (1710, 152670), (1890, 138130), (1900, 137403), (1995, 130860), (2052, 127225), (2100, 124317), (2181, 119700), (2394, 109050), (2565, 101780), (2660, 98145), (2700, 96691), (2850, 91602), (2908, 89775), (3150, 82878), (3325, 78516), (3420, 76335), (3591, 72700), (3635, 71820), (3780, 69065), (3990, 65430), (4275, 61068), (4362, 59850), (4725, 55252), (4788, 54525), (5089, 51300), (5130, 50890), (5700, 45801), (5985, 43620), (6300, 41439), (6543, 39900), (6650, 39258), (7182, 36350), (7270, 35910), (7980, 32715), (8550, 30534), (8724, 29925), (9450, 27626), (9975, 26172), (10178, 25650), (10260, 25445), (10905, 23940), (11970, 21810), (12825, 20356), (13086, 19950), (13300, 19629), (13813, 18900), (14364, 18175), (14540, 17955), (15267, 17100)]