123383520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^4$

素因数の和:76

約数の個数: 240

約数和(自身を含む): 467827920

約数和(自身を除く): 344444400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 169, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 338, 351, 360, 390, 416, 432, 468, 480, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 864, 936, 1014, 1040, 1080, 1170, 1248, 1352, 1404, 1440, 1521, 1560, 1690, 1755, 1872, 2028, 2080, 2160, 2197, 2340, 2535, 2704, 2808, 3042, 3120, 3380, 3510, 3744, 4056, 4320, 4394, 4563, 4680, 5070, 5408, 5616, 6084, 6240, 6591, 6760, 7020, 7605, 8112, 8788, 9126, 9360, 10140, 10985, 11232, 12168, 13182, 13520, 14040, 15210, 16224, 17576, 18252, 18720, 19773, 20280, 21970, 22815, 24336, 26364, 27040, 28080, 28561, 30420, 32955, 35152, 36504, 39546, 40560, 43940, 45630, 48672, 52728, 56160, 57122, 59319, 60840, 65910, 70304, 73008, 79092, 81120, 85683, 87880, 91260, 98865, 105456, 114244, 118638, 121680, 131820, 142805, 146016, 158184, 171366, 175760, 182520, 197730, 210912, 228488, 237276, 243360, 257049, 263640, 285610, 296595, 316368, 342732, 351520, 365040, 395460, 428415, 456976, 474552, 514098, 527280, 571220, 593190, 632736, 685464, 730080, 771147, 790920, 856830, 913952, 949104, 1028196, 1054560, 1142440, 1186380, 1285245, 1370928, 1542294, 1581840, 1713660, 1898208, 2056392, 2284880, 2372760, 2570490, 2741856, 3084588, 3163680, 3427320, 3855735, 4112784, 4569760, 4745520, 5140980, 6169176, 6854640, 7711470, 8225568, 9491040, 10281960, 12338352, 13709280, 15422940, 20563920, 24676704, 30845880, 41127840, 61691760, 123383520]

約数ペア:

[(1, 123383520), (2, 61691760), (3, 41127840), (4, 30845880), (5, 24676704), (6, 20563920), (8, 15422940), (9, 13709280), (10, 12338352), (12, 10281960), (13, 9491040), (15, 8225568), (16, 7711470), (18, 6854640), (20, 6169176), (24, 5140980), (26, 4745520), (27, 4569760), (30, 4112784), (32, 3855735), (36, 3427320), (39, 3163680), (40, 3084588), (45, 2741856), (48, 2570490), (52, 2372760), (54, 2284880), (60, 2056392), (65, 1898208), (72, 1713660), (78, 1581840), (80, 1542294), (90, 1370928), (96, 1285245), (104, 1186380), (108, 1142440), (117, 1054560), (120, 1028196), (130, 949104), (135, 913952), (144, 856830), (156, 790920), (160, 771147), (169, 730080), (180, 685464), (195, 632736), (208, 593190), (216, 571220), (234, 527280), (240, 514098), (260, 474552), (270, 456976), (288, 428415), (312, 395460), (338, 365040), (351, 351520), (360, 342732), (390, 316368), (416, 296595), (432, 285610), (468, 263640), (480, 257049), (507, 243360), (520, 237276), (540, 228488), (585, 210912), (624, 197730), (676, 182520), (702, 175760), (720, 171366), (780, 158184), (845, 146016), (864, 142805), (936, 131820), (1014, 121680), (1040, 118638), (1080, 114244), (1170, 105456), (1248, 98865), (1352, 91260), (1404, 87880), (1440, 85683), (1521, 81120), (1560, 79092), (1690, 73008), (1755, 70304), (1872, 65910), (2028, 60840), (2080, 59319), (2160, 57122), (2197, 56160), (2340, 52728), (2535, 48672), (2704, 45630), (2808, 43940), (3042, 40560), (3120, 39546), (3380, 36504), (3510, 35152), (3744, 32955), (4056, 30420), (4320, 28561), (4394, 28080), (4563, 27040), (4680, 26364), (5070, 24336), (5408, 22815), (5616, 21970), (6084, 20280), (6240, 19773), (6591, 18720), (6760, 18252), (7020, 17576), (7605, 16224), (8112, 15210), (8788, 14040), (9126, 13520), (9360, 13182), (10140, 12168), (10985, 11232)]