9780392120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18049}}^1$

素因数の和:18133

約数の個数: 128

約数和(自身を含む): 24952320000

約数和(自身を除く): 15171927880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 152, 155, 184, 190, 230, 248, 310, 380, 437, 460, 589, 620, 713, 760, 874, 920, 1178, 1240, 1426, 1748, 2185, 2356, 2852, 2945, 3496, 3565, 4370, 4712, 5704, 5890, 7130, 8740, 11780, 13547, 14260, 17480, 18049, 23560, 27094, 28520, 36098, 54188, 67735, 72196, 90245, 108376, 135470, 144392, 180490, 270940, 342931, 360980, 415127, 541880, 559519, 685862, 721960, 830254, 1119038, 1371724, 1660508, 1714655, 2075635, 2238076, 2743448, 2797595, 3321016, 3429310, 4151270, 4476152, 5595190, 6858620, 7887413, 8302540, 10630861, 11190380, 12868937, 13717240, 15774826, 16605080, 21261722, 22380760, 25737874, 31549652, 39437065, 42523444, 51475748, 53154305, 63099304, 64344685, 78874130, 85046888, 102951496, 106308610, 128689370, 157748260, 212617220, 244509803, 257378740, 315496520, 425234440, 489019606, 514757480, 978039212, 1222549015, 1956078424, 2445098030, 4890196060, 9780392120]

約数ペア:

[(1, 9780392120), (2, 4890196060), (4, 2445098030), (5, 1956078424), (8, 1222549015), (10, 978039212), (19, 514757480), (20, 489019606), (23, 425234440), (31, 315496520), (38, 257378740), (40, 244509803), (46, 212617220), (62, 157748260), (76, 128689370), (92, 106308610), (95, 102951496), (115, 85046888), (124, 78874130), (152, 64344685), (155, 63099304), (184, 53154305), (190, 51475748), (230, 42523444), (248, 39437065), (310, 31549652), (380, 25737874), (437, 22380760), (460, 21261722), (589, 16605080), (620, 15774826), (713, 13717240), (760, 12868937), (874, 11190380), (920, 10630861), (1178, 8302540), (1240, 7887413), (1426, 6858620), (1748, 5595190), (2185, 4476152), (2356, 4151270), (2852, 3429310), (2945, 3321016), (3496, 2797595), (3565, 2743448), (4370, 2238076), (4712, 2075635), (5704, 1714655), (5890, 1660508), (7130, 1371724), (8740, 1119038), (11780, 830254), (13547, 721960), (14260, 685862), (17480, 559519), (18049, 541880), (23560, 415127), (27094, 360980), (28520, 342931), (36098, 270940), (54188, 180490), (67735, 144392), (72196, 135470), (90245, 108376)]