81933600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{4877}}^1$

素因数の和:4907

約数の個数: 144

約数和(自身を含む): 304855488

約数和(自身を除く): 222921888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 4877, 5600, 8400, 9754, 14631, 16800, 19508, 24385, 29262, 34139, 39016, 48770, 58524, 68278, 73155, 78032, 97540, 102417, 117048, 121925, 136556, 146310, 156064, 170695, 195080, 204834, 234096, 243850, 273112, 292620, 341390, 365775, 390160, 409668, 468192, 487700, 512085, 546224, 585240, 682780, 731550, 780320, 819336, 853475, 975400, 1024170, 1092448, 1170480, 1365560, 1463100, 1638672, 1706950, 1950800, 2048340, 2340960, 2560425, 2731120, 2926200, 3277344, 3413900, 3901600, 4096680, 5120850, 5462240, 5852400, 6827800, 8193360, 10241700, 11704800, 13655600, 16386720, 20483400, 27311200, 40966800, 81933600]

約数ペア:

[(1, 81933600), (2, 40966800), (3, 27311200), (4, 20483400), (5, 16386720), (6, 13655600), (7, 11704800), (8, 10241700), (10, 8193360), (12, 6827800), (14, 5852400), (15, 5462240), (16, 5120850), (20, 4096680), (21, 3901600), (24, 3413900), (25, 3277344), (28, 2926200), (30, 2731120), (32, 2560425), (35, 2340960), (40, 2048340), (42, 1950800), (48, 1706950), (50, 1638672), (56, 1463100), (60, 1365560), (70, 1170480), (75, 1092448), (80, 1024170), (84, 975400), (96, 853475), (100, 819336), (105, 780320), (112, 731550), (120, 682780), (140, 585240), (150, 546224), (160, 512085), (168, 487700), (175, 468192), (200, 409668), (210, 390160), (224, 365775), (240, 341390), (280, 292620), (300, 273112), (336, 243850), (350, 234096), (400, 204834), (420, 195080), (480, 170695), (525, 156064), (560, 146310), (600, 136556), (672, 121925), (700, 117048), (800, 102417), (840, 97540), (1050, 78032), (1120, 73155), (1200, 68278), (1400, 58524), (1680, 48770), (2100, 39016), (2400, 34139), (2800, 29262), (3360, 24385), (4200, 19508), (4877, 16800), (5600, 14631), (8400, 9754)]