128848720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1653

約数の個数: 160

約数和(自身を含む): 402474240

約数和(自身を除く): 273625520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1609, 1820, 2002, 2288, 2860, 3080, 3218, 3640, 4004, 5005, 5720, 6160, 6436, 7280, 8008, 8045, 10010, 11263, 11440, 12872, 16016, 16090, 17699, 20020, 20917, 22526, 25744, 32180, 35398, 40040, 41834, 45052, 56315, 64360, 70796, 80080, 83668, 88495, 90104, 104585, 112630, 123893, 128720, 141592, 146419, 167336, 176990, 180208, 209170, 225260, 230087, 247786, 283184, 292838, 334672, 353980, 418340, 450520, 460174, 495572, 585676, 619465, 707960, 732095, 836680, 901040, 920348, 991144, 1150435, 1171352, 1238930, 1415920, 1464190, 1610609, 1673360, 1840696, 1982288, 2300870, 2342704, 2477860, 2928380, 3221218, 3681392, 4601740, 4955720, 5856760, 6442436, 8053045, 9203480, 9911440, 11713520, 12884872, 16106090, 18406960, 25769744, 32212180, 64424360, 128848720]

約数ペア:

[(1, 128848720), (2, 64424360), (4, 32212180), (5, 25769744), (7, 18406960), (8, 16106090), (10, 12884872), (11, 11713520), (13, 9911440), (14, 9203480), (16, 8053045), (20, 6442436), (22, 5856760), (26, 4955720), (28, 4601740), (35, 3681392), (40, 3221218), (44, 2928380), (52, 2477860), (55, 2342704), (56, 2300870), (65, 1982288), (70, 1840696), (77, 1673360), (80, 1610609), (88, 1464190), (91, 1415920), (104, 1238930), (110, 1171352), (112, 1150435), (130, 991144), (140, 920348), (143, 901040), (154, 836680), (176, 732095), (182, 707960), (208, 619465), (220, 585676), (260, 495572), (280, 460174), (286, 450520), (308, 418340), (364, 353980), (385, 334672), (440, 292838), (455, 283184), (520, 247786), (560, 230087), (572, 225260), (616, 209170), (715, 180208), (728, 176990), (770, 167336), (880, 146419), (910, 141592), (1001, 128720), (1040, 123893), (1144, 112630), (1232, 104585), (1430, 90104), (1456, 88495), (1540, 83668), (1609, 80080), (1820, 70796), (2002, 64360), (2288, 56315), (2860, 45052), (3080, 41834), (3218, 40040), (3640, 35398), (4004, 32180), (5005, 25744), (5720, 22526), (6160, 20917), (6436, 20020), (7280, 17699), (8008, 16090), (8045, 16016), (10010, 12872), (11263, 11440)]