447680480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2131}}^1$

素因数の和:2260

約数の個数: 96

約数和(自身を含む): 1150819488

約数和(自身を除く): 703139008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 101, 104, 130, 160, 202, 208, 260, 404, 416, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2080, 2131, 2626, 3232, 4040, 4262, 5252, 6565, 8080, 8524, 10504, 10655, 13130, 16160, 17048, 21008, 21310, 26260, 27703, 34096, 42016, 42620, 52520, 55406, 68192, 85240, 105040, 110812, 138515, 170480, 210080, 215231, 221624, 277030, 340960, 430462, 443248, 554060, 860924, 886496, 1076155, 1108120, 1721848, 2152310, 2216240, 2798003, 3443696, 4304620, 4432480, 5596006, 6887392, 8609240, 11192012, 13990015, 17218480, 22384024, 27980030, 34436960, 44768048, 55960060, 89536096, 111920120, 223840240, 447680480]

約数ペア:

[(1, 447680480), (2, 223840240), (4, 111920120), (5, 89536096), (8, 55960060), (10, 44768048), (13, 34436960), (16, 27980030), (20, 22384024), (26, 17218480), (32, 13990015), (40, 11192012), (52, 8609240), (65, 6887392), (80, 5596006), (101, 4432480), (104, 4304620), (130, 3443696), (160, 2798003), (202, 2216240), (208, 2152310), (260, 1721848), (404, 1108120), (416, 1076155), (505, 886496), (520, 860924), (808, 554060), (1010, 443248), (1040, 430462), (1313, 340960), (1616, 277030), (2020, 221624), (2080, 215231), (2131, 210080), (2626, 170480), (3232, 138515), (4040, 110812), (4262, 105040), (5252, 85240), (6565, 68192), (8080, 55406), (8524, 52520), (10504, 42620), (10655, 42016), (13130, 34096), (16160, 27703), (17048, 26260), (21008, 21310)]