72920400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{8681}}^1$

素因数の和:8709

約数の個数: 120

約数和(自身を含む): 266988864

約数和(自身を除く): 194068464

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, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 8681, 17362, 26043, 34724, 43405, 52086, 60767, 69448, 86810, 104172, 121534, 130215, 138896, 173620, 182301, 208344, 217025, 243068, 260430, 303835, 347240, 364602, 416688, 434050, 486136, 520860, 607670, 651075, 694480, 729204, 868100, 911505, 972272, 1041720, 1215340, 1302150, 1458408, 1519175, 1736200, 1823010, 2083440, 2430680, 2604300, 2916816, 3038350, 3472400, 3646020, 4557525, 4861360, 5208600, 6076700, 7292040, 9115050, 10417200, 12153400, 14584080, 18230100, 24306800, 36460200, 72920400]

約数ペア:

[(1, 72920400), (2, 36460200), (3, 24306800), (4, 18230100), (5, 14584080), (6, 12153400), (7, 10417200), (8, 9115050), (10, 7292040), (12, 6076700), (14, 5208600), (15, 4861360), (16, 4557525), (20, 3646020), (21, 3472400), (24, 3038350), (25, 2916816), (28, 2604300), (30, 2430680), (35, 2083440), (40, 1823010), (42, 1736200), (48, 1519175), (50, 1458408), (56, 1302150), (60, 1215340), (70, 1041720), (75, 972272), (80, 911505), (84, 868100), (100, 729204), (105, 694480), (112, 651075), (120, 607670), (140, 520860), (150, 486136), (168, 434050), (175, 416688), (200, 364602), (210, 347240), (240, 303835), (280, 260430), (300, 243068), (336, 217025), (350, 208344), (400, 182301), (420, 173620), (525, 138896), (560, 130215), (600, 121534), (700, 104172), (840, 86810), (1050, 69448), (1200, 60767), (1400, 52086), (1680, 43405), (2100, 34724), (2800, 26043), (4200, 17362), (8400, 8681)]