177720240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18061}}^1$

素因数の和:18118

約数の個数: 80

約数和(自身を含む): 564401376

約数和(自身を除く): 386681136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 18061, 36122, 54183, 72244, 90305, 108366, 144488, 180610, 216732, 270915, 288976, 361220, 433464, 541830, 722440, 740501, 866928, 1083660, 1444880, 1481002, 2167320, 2221503, 2962004, 3702505, 4334640, 4443006, 5924008, 7405010, 8886012, 11107515, 11848016, 14810020, 17772024, 22215030, 29620040, 35544048, 44430060, 59240080, 88860120, 177720240]

約数ペア:

[(1, 177720240), (2, 88860120), (3, 59240080), (4, 44430060), (5, 35544048), (6, 29620040), (8, 22215030), (10, 17772024), (12, 14810020), (15, 11848016), (16, 11107515), (20, 8886012), (24, 7405010), (30, 5924008), (40, 4443006), (41, 4334640), (48, 3702505), (60, 2962004), (80, 2221503), (82, 2167320), (120, 1481002), (123, 1444880), (164, 1083660), (205, 866928), (240, 740501), (246, 722440), (328, 541830), (410, 433464), (492, 361220), (615, 288976), (656, 270915), (820, 216732), (984, 180610), (1230, 144488), (1640, 108366), (1968, 90305), (2460, 72244), (3280, 54183), (4920, 36122), (9840, 18061)]