1520400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{181}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 5596864

約数和(自身を除く): 4076464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 181, 200, 210, 240, 280, 300, 336, 350, 362, 400, 420, 525, 543, 560, 600, 700, 724, 840, 905, 1050, 1086, 1200, 1267, 1400, 1448, 1680, 1810, 2100, 2172, 2534, 2715, 2800, 2896, 3620, 3801, 4200, 4344, 4525, 5068, 5430, 6335, 7240, 7602, 8400, 8688, 9050, 10136, 10860, 12670, 13575, 14480, 15204, 18100, 19005, 20272, 21720, 25340, 27150, 30408, 31675, 36200, 38010, 43440, 50680, 54300, 60816, 63350, 72400, 76020, 95025, 101360, 108600, 126700, 152040, 190050, 217200, 253400, 304080, 380100, 506800, 760200, 1520400]

約数ペア:

[(1, 1520400), (2, 760200), (3, 506800), (4, 380100), (5, 304080), (6, 253400), (7, 217200), (8, 190050), (10, 152040), (12, 126700), (14, 108600), (15, 101360), (16, 95025), (20, 76020), (21, 72400), (24, 63350), (25, 60816), (28, 54300), (30, 50680), (35, 43440), (40, 38010), (42, 36200), (48, 31675), (50, 30408), (56, 27150), (60, 25340), (70, 21720), (75, 20272), (80, 19005), (84, 18100), (100, 15204), (105, 14480), (112, 13575), (120, 12670), (140, 10860), (150, 10136), (168, 9050), (175, 8688), (181, 8400), (200, 7602), (210, 7240), (240, 6335), (280, 5430), (300, 5068), (336, 4525), (350, 4344), (362, 4200), (400, 3801), (420, 3620), (525, 2896), (543, 2800), (560, 2715), (600, 2534), (700, 2172), (724, 2100), (840, 1810), (905, 1680), (1050, 1448), (1086, 1400), (1200, 1267)]