127484680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 319334400

約数和(自身を除く): 191849720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 47, 76, 83, 86, 94, 95, 152, 166, 172, 188, 190, 215, 235, 332, 344, 376, 380, 415, 430, 470, 664, 760, 817, 830, 860, 893, 940, 1577, 1634, 1660, 1720, 1786, 1880, 2021, 3154, 3268, 3320, 3569, 3572, 3901, 4042, 4085, 4465, 6308, 6536, 7138, 7144, 7802, 7885, 8084, 8170, 8930, 10105, 12616, 14276, 15604, 15770, 16168, 16340, 17845, 17860, 19505, 20210, 28552, 31208, 31540, 32680, 35690, 35720, 38399, 39010, 40420, 63080, 67811, 71380, 74119, 76798, 78020, 80840, 135622, 142760, 148238, 153596, 156040, 167743, 191995, 271244, 296476, 307192, 335486, 339055, 370595, 383990, 542488, 592952, 670972, 678110, 741190, 767980, 838715, 1341944, 1356220, 1482380, 1535960, 1677430, 2712440, 2964760, 3187117, 3354860, 6374234, 6709720, 12748468, 15935585, 25496936, 31871170, 63742340, 127484680]

約数ペア:

[(1, 127484680), (2, 63742340), (4, 31871170), (5, 25496936), (8, 15935585), (10, 12748468), (19, 6709720), (20, 6374234), (38, 3354860), (40, 3187117), (43, 2964760), (47, 2712440), (76, 1677430), (83, 1535960), (86, 1482380), (94, 1356220), (95, 1341944), (152, 838715), (166, 767980), (172, 741190), (188, 678110), (190, 670972), (215, 592952), (235, 542488), (332, 383990), (344, 370595), (376, 339055), (380, 335486), (415, 307192), (430, 296476), (470, 271244), (664, 191995), (760, 167743), (817, 156040), (830, 153596), (860, 148238), (893, 142760), (940, 135622), (1577, 80840), (1634, 78020), (1660, 76798), (1720, 74119), (1786, 71380), (1880, 67811), (2021, 63080), (3154, 40420), (3268, 39010), (3320, 38399), (3569, 35720), (3572, 35690), (3901, 32680), (4042, 31540), (4085, 31208), (4465, 28552), (6308, 20210), (6536, 19505), (7138, 17860), (7144, 17845), (7802, 16340), (7885, 16168), (8084, 15770), (8170, 15604), (8930, 14276), (10105, 12616)]