87021900

素因数分解:

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

素因数の和:773

約数の個数: 216

約数和(自身を含む): 328590080

約数和(自身を除く): 241568180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 252, 266, 285, 300, 315, 342, 350, 380, 399, 420, 450, 475, 525, 532, 570, 630, 665, 684, 700, 727, 798, 855, 900, 950, 1050, 1140, 1197, 1260, 1330, 1425, 1454, 1575, 1596, 1710, 1900, 1995, 2100, 2181, 2394, 2660, 2850, 2908, 3150, 3325, 3420, 3635, 3990, 4275, 4362, 4788, 5089, 5700, 5985, 6300, 6543, 6650, 7270, 7980, 8550, 8724, 9975, 10178, 10905, 11970, 13086, 13300, 13813, 14540, 15267, 17100, 18175, 19950, 20356, 21810, 23940, 25445, 26172, 27626, 29925, 30534, 32715, 36350, 39900, 41439, 43620, 45801, 50890, 54525, 55252, 59850, 61068, 65430, 69065, 72700, 76335, 82878, 91602, 96691, 101780, 109050, 119700, 124317, 127225, 130860, 138130, 152670, 163575, 165756, 183204, 193382, 207195, 218100, 229005, 248634, 254450, 276260, 290073, 305340, 327150, 345325, 381675, 386764, 414390, 458010, 483455, 497268, 508900, 580146, 621585, 654300, 690650, 763350, 828780, 870219, 916020, 966910, 1035975, 1145025, 1160292, 1243170, 1381300, 1450365, 1526700, 1740438, 1933820, 2071950, 2290050, 2417275, 2486340, 2900730, 3107925, 3480876, 4143900, 4351095, 4580100, 4834550, 5801460, 6215850, 7251825, 8702190, 9669100, 12431700, 14503650, 17404380, 21755475, 29007300, 43510950, 87021900]

約数ペア:

[(1, 87021900), (2, 43510950), (3, 29007300), (4, 21755475), (5, 17404380), (6, 14503650), (7, 12431700), (9, 9669100), (10, 8702190), (12, 7251825), (14, 6215850), (15, 5801460), (18, 4834550), (19, 4580100), (20, 4351095), (21, 4143900), (25, 3480876), (28, 3107925), (30, 2900730), (35, 2486340), (36, 2417275), (38, 2290050), (42, 2071950), (45, 1933820), (50, 1740438), (57, 1526700), (60, 1450365), (63, 1381300), (70, 1243170), (75, 1160292), (76, 1145025), (84, 1035975), (90, 966910), (95, 916020), (100, 870219), (105, 828780), (114, 763350), (126, 690650), (133, 654300), (140, 621585), (150, 580146), (171, 508900), (175, 497268), (180, 483455), (190, 458010), (210, 414390), (225, 386764), (228, 381675), (252, 345325), (266, 327150), (285, 305340), (300, 290073), (315, 276260), (342, 254450), (350, 248634), (380, 229005), (399, 218100), (420, 207195), (450, 193382), (475, 183204), (525, 165756), (532, 163575), (570, 152670), (630, 138130), (665, 130860), (684, 127225), (700, 124317), (727, 119700), (798, 109050), (855, 101780), (900, 96691), (950, 91602), (1050, 82878), (1140, 76335), (1197, 72700), (1260, 69065), (1330, 65430), (1425, 61068), (1454, 59850), (1575, 55252), (1596, 54525), (1710, 50890), (1900, 45801), (1995, 43620), (2100, 41439), (2181, 39900), (2394, 36350), (2660, 32715), (2850, 30534), (2908, 29925), (3150, 27626), (3325, 26172), (3420, 25445), (3635, 23940), (3990, 21810), (4275, 20356), (4362, 19950), (4788, 18175), (5089, 17100), (5700, 15267), (5985, 14540), (6300, 13813), (6543, 13300), (6650, 13086), (7270, 11970), (7980, 10905), (8550, 10178), (8724, 9975)]