1288358640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61703}}^1$

素因数の和:61751

約数の個数: 120

約数和(自身を含む): 4476008160

約数和(自身を除く): 3187649520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 20880, 61703, 123406, 185109, 246812, 308515, 370218, 493624, 555327, 617030, 740436, 925545, 987248, 1110654, 1234060, 1480872, 1789387, 1851090, 2221308, 2468120, 2776635, 2961744, 3578774, 3702180, 4442616, 4936240, 5368161, 5553270, 7157548, 7404360, 8885232, 8946935, 10736322, 11106540, 14315096, 14808720, 16104483, 17893870, 21472644, 22213080, 26840805, 28630192, 32208966, 35787740, 42945288, 44426160, 53681610, 64417932, 71575480, 80522415, 85890576, 107363220, 128835864, 143150960, 161044830, 214726440, 257671728, 322089660, 429452880, 644179320, 1288358640]

約数ペア:

[(1, 1288358640), (2, 644179320), (3, 429452880), (4, 322089660), (5, 257671728), (6, 214726440), (8, 161044830), (9, 143150960), (10, 128835864), (12, 107363220), (15, 85890576), (16, 80522415), (18, 71575480), (20, 64417932), (24, 53681610), (29, 44426160), (30, 42945288), (36, 35787740), (40, 32208966), (45, 28630192), (48, 26840805), (58, 22213080), (60, 21472644), (72, 17893870), (80, 16104483), (87, 14808720), (90, 14315096), (116, 11106540), (120, 10736322), (144, 8946935), (145, 8885232), (174, 7404360), (180, 7157548), (232, 5553270), (240, 5368161), (261, 4936240), (290, 4442616), (348, 3702180), (360, 3578774), (435, 2961744), (464, 2776635), (522, 2468120), (580, 2221308), (696, 1851090), (720, 1789387), (870, 1480872), (1044, 1234060), (1160, 1110654), (1305, 987248), (1392, 925545), (1740, 740436), (2088, 617030), (2320, 555327), (2610, 493624), (3480, 370218), (4176, 308515), (5220, 246812), (6960, 185109), (10440, 123406), (20880, 61703)]