16886458880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{547}}^1$

素因数の和:990

約数の個数: 160

約数和(自身を含む): 41978027520

約数和(自身を除く): 25091568640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 389, 496, 512, 547, 620, 640, 778, 992, 1094, 1240, 1280, 1556, 1945, 1984, 2188, 2480, 2560, 2735, 3112, 3890, 3968, 4376, 4960, 5470, 6224, 7780, 7936, 8752, 9920, 10940, 12059, 12448, 15560, 15872, 16957, 17504, 19840, 21880, 24118, 24896, 31120, 33914, 35008, 39680, 43760, 48236, 49792, 60295, 62240, 67828, 70016, 79360, 84785, 87520, 96472, 99584, 120590, 124480, 135656, 140032, 169570, 175040, 192944, 199168, 212783, 241180, 248960, 271312, 280064, 339140, 350080, 385888, 425566, 482360, 497920, 542624, 678280, 700160, 771776, 851132, 964720, 995840, 1063915, 1085248, 1356560, 1400320, 1543552, 1702264, 1929440, 2127830, 2170496, 2713120, 3087104, 3404528, 3858880, 4255660, 4340992, 5426240, 6174208, 6596273, 6809056, 7717760, 8511320, 8681984, 10852480, 13192546, 13618112, 15435520, 17022640, 21704960, 26385092, 27236224, 30871040, 32981365, 34045280, 43409920, 52770184, 54472448, 65962730, 68090560, 105540368, 108944896, 131925460, 136181120, 211080736, 263850920, 272362240, 422161472, 527701840, 544724480, 844322944, 1055403680, 1688645888, 2110807360, 3377291776, 4221614720, 8443229440, 16886458880]

約数ペア:

[(1, 16886458880), (2, 8443229440), (4, 4221614720), (5, 3377291776), (8, 2110807360), (10, 1688645888), (16, 1055403680), (20, 844322944), (31, 544724480), (32, 527701840), (40, 422161472), (62, 272362240), (64, 263850920), (80, 211080736), (124, 136181120), (128, 131925460), (155, 108944896), (160, 105540368), (248, 68090560), (256, 65962730), (310, 54472448), (320, 52770184), (389, 43409920), (496, 34045280), (512, 32981365), (547, 30871040), (620, 27236224), (640, 26385092), (778, 21704960), (992, 17022640), (1094, 15435520), (1240, 13618112), (1280, 13192546), (1556, 10852480), (1945, 8681984), (1984, 8511320), (2188, 7717760), (2480, 6809056), (2560, 6596273), (2735, 6174208), (3112, 5426240), (3890, 4340992), (3968, 4255660), (4376, 3858880), (4960, 3404528), (5470, 3087104), (6224, 2713120), (7780, 2170496), (7936, 2127830), (8752, 1929440), (9920, 1702264), (10940, 1543552), (12059, 1400320), (12448, 1356560), (15560, 1085248), (15872, 1063915), (16957, 995840), (17504, 964720), (19840, 851132), (21880, 771776), (24118, 700160), (24896, 678280), (31120, 542624), (33914, 497920), (35008, 482360), (39680, 425566), (43760, 385888), (48236, 350080), (49792, 339140), (60295, 280064), (62240, 271312), (67828, 248960), (70016, 241180), (79360, 212783), (84785, 199168), (87520, 192944), (96472, 175040), (99584, 169570), (120590, 140032), (124480, 135656)]