38778480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1416

約数の個数: 160

約数和(自身を含む): 143949120

約数和(自身を除く): 105170640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1381, 1404, 1560, 1755, 1872, 2160, 2340, 2762, 2808, 3120, 3510, 4143, 4680, 5524, 5616, 6905, 7020, 8286, 9360, 11048, 12429, 13810, 14040, 16572, 17953, 20715, 22096, 24858, 27620, 28080, 33144, 35906, 37287, 41430, 49716, 53859, 55240, 62145, 66288, 71812, 74574, 82860, 89765, 99432, 107718, 110480, 124290, 143624, 149148, 161577, 165720, 179530, 186435, 198864, 215436, 248580, 269295, 287248, 298296, 323154, 331440, 359060, 372870, 430872, 484731, 497160, 538590, 596592, 646308, 718120, 745740, 807885, 861744, 969462, 994320, 1077180, 1292616, 1436240, 1491480, 1615770, 1938924, 2154360, 2423655, 2585232, 2982960, 3231540, 3877848, 4308720, 4847310, 6463080, 7755696, 9694620, 12926160, 19389240, 38778480]

約数ペア:

[(1, 38778480), (2, 19389240), (3, 12926160), (4, 9694620), (5, 7755696), (6, 6463080), (8, 4847310), (9, 4308720), (10, 3877848), (12, 3231540), (13, 2982960), (15, 2585232), (16, 2423655), (18, 2154360), (20, 1938924), (24, 1615770), (26, 1491480), (27, 1436240), (30, 1292616), (36, 1077180), (39, 994320), (40, 969462), (45, 861744), (48, 807885), (52, 745740), (54, 718120), (60, 646308), (65, 596592), (72, 538590), (78, 497160), (80, 484731), (90, 430872), (104, 372870), (108, 359060), (117, 331440), (120, 323154), (130, 298296), (135, 287248), (144, 269295), (156, 248580), (180, 215436), (195, 198864), (208, 186435), (216, 179530), (234, 165720), (240, 161577), (260, 149148), (270, 143624), (312, 124290), (351, 110480), (360, 107718), (390, 99432), (432, 89765), (468, 82860), (520, 74574), (540, 71812), (585, 66288), (624, 62145), (702, 55240), (720, 53859), (780, 49716), (936, 41430), (1040, 37287), (1080, 35906), (1170, 33144), (1381, 28080), (1404, 27620), (1560, 24858), (1755, 22096), (1872, 20715), (2160, 17953), (2340, 16572), (2762, 14040), (2808, 13810), (3120, 12429), (3510, 11048), (4143, 9360), (4680, 8286), (5524, 7020), (5616, 6905)]