128976400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 359552384

約数和(自身を除く): 230575984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 73, 80, 100, 112, 140, 146, 175, 200, 280, 292, 350, 365, 400, 511, 560, 584, 631, 700, 730, 1022, 1168, 1262, 1400, 1460, 1825, 2044, 2524, 2555, 2800, 2920, 3155, 3650, 4088, 4417, 5048, 5110, 5840, 6310, 7300, 8176, 8834, 10096, 10220, 12620, 12775, 14600, 15775, 17668, 20440, 22085, 25240, 25550, 29200, 31550, 35336, 40880, 44170, 46063, 50480, 51100, 63100, 70672, 88340, 92126, 102200, 110425, 126200, 176680, 184252, 204400, 220850, 230315, 252400, 322441, 353360, 368504, 441700, 460630, 644882, 737008, 883400, 921260, 1151575, 1289764, 1612205, 1766800, 1842520, 2303150, 2579528, 3224410, 3685040, 4606300, 5159056, 6448820, 8061025, 9212600, 12897640, 16122050, 18425200, 25795280, 32244100, 64488200, 128976400]

約数ペア:

[(1, 128976400), (2, 64488200), (4, 32244100), (5, 25795280), (7, 18425200), (8, 16122050), (10, 12897640), (14, 9212600), (16, 8061025), (20, 6448820), (25, 5159056), (28, 4606300), (35, 3685040), (40, 3224410), (50, 2579528), (56, 2303150), (70, 1842520), (73, 1766800), (80, 1612205), (100, 1289764), (112, 1151575), (140, 921260), (146, 883400), (175, 737008), (200, 644882), (280, 460630), (292, 441700), (350, 368504), (365, 353360), (400, 322441), (511, 252400), (560, 230315), (584, 220850), (631, 204400), (700, 184252), (730, 176680), (1022, 126200), (1168, 110425), (1262, 102200), (1400, 92126), (1460, 88340), (1825, 70672), (2044, 63100), (2524, 51100), (2555, 50480), (2800, 46063), (2920, 44170), (3155, 40880), (3650, 35336), (4088, 31550), (4417, 29200), (5048, 25550), (5110, 25240), (5840, 22085), (6310, 20440), (7300, 17668), (8176, 15775), (8834, 14600), (10096, 12775), (10220, 12620)]