2018485120

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:576

約数の個数: 128

約数和(自身を含む): 4951692000

約数和(自身を除く): 2933206880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 149, 160, 244, 298, 305, 320, 347, 488, 596, 610, 640, 694, 745, 976, 1192, 1220, 1388, 1490, 1735, 1952, 2384, 2440, 2776, 2980, 3470, 3904, 4768, 4880, 5552, 5960, 6940, 7808, 9089, 9536, 9760, 11104, 11920, 13880, 18178, 19072, 19520, 21167, 22208, 23840, 27760, 36356, 39040, 42334, 44416, 45445, 47680, 51703, 55520, 72712, 84668, 90890, 95360, 103406, 105835, 111040, 145424, 169336, 181780, 206812, 211670, 222080, 258515, 290848, 338672, 363560, 413624, 423340, 517030, 581696, 677344, 727120, 827248, 846680, 1034060, 1163392, 1354688, 1454240, 1654496, 1693360, 2068120, 2709376, 2908480, 3153883, 3308992, 3386720, 4136240, 5816960, 6307766, 6617984, 6773440, 8272480, 12615532, 13546880, 15769415, 16544960, 25231064, 31538830, 33089920, 50462128, 63077660, 100924256, 126155320, 201848512, 252310640, 403697024, 504621280, 1009242560, 2018485120]

約数ペア:

[(1, 2018485120), (2, 1009242560), (4, 504621280), (5, 403697024), (8, 252310640), (10, 201848512), (16, 126155320), (20, 100924256), (32, 63077660), (40, 50462128), (61, 33089920), (64, 31538830), (80, 25231064), (122, 16544960), (128, 15769415), (149, 13546880), (160, 12615532), (244, 8272480), (298, 6773440), (305, 6617984), (320, 6307766), (347, 5816960), (488, 4136240), (596, 3386720), (610, 3308992), (640, 3153883), (694, 2908480), (745, 2709376), (976, 2068120), (1192, 1693360), (1220, 1654496), (1388, 1454240), (1490, 1354688), (1735, 1163392), (1952, 1034060), (2384, 846680), (2440, 827248), (2776, 727120), (2980, 677344), (3470, 581696), (3904, 517030), (4768, 423340), (4880, 413624), (5552, 363560), (5960, 338672), (6940, 290848), (7808, 258515), (9089, 222080), (9536, 211670), (9760, 206812), (11104, 181780), (11920, 169336), (13880, 145424), (18178, 111040), (19072, 105835), (19520, 103406), (21167, 95360), (22208, 90890), (23840, 84668), (27760, 72712), (36356, 55520), (39040, 51703), (42334, 47680), (44416, 45445)]