381223440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 240

約数和(自身を含む): 1392671280

約数和(自身を除く): 1011447840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 241, 260, 312, 338, 360, 390, 468, 482, 507, 520, 585, 624, 676, 720, 723, 780, 845, 936, 964, 1014, 1040, 1170, 1205, 1352, 1446, 1521, 1560, 1690, 1872, 1928, 2028, 2169, 2197, 2340, 2410, 2535, 2704, 2892, 3042, 3120, 3133, 3380, 3615, 3856, 4056, 4338, 4394, 4680, 4820, 5070, 5784, 6084, 6266, 6591, 6760, 7230, 7605, 8112, 8676, 8788, 9360, 9399, 9640, 10140, 10845, 10985, 11568, 12168, 12532, 13182, 13520, 14460, 15210, 15665, 17352, 17576, 18798, 19280, 19773, 20280, 21690, 21970, 24336, 25064, 26364, 28197, 28920, 30420, 31330, 32955, 34704, 35152, 37596, 39546, 40560, 40729, 43380, 43940, 46995, 50128, 52728, 56394, 57840, 60840, 62660, 65910, 75192, 79092, 81458, 86760, 87880, 93990, 98865, 105456, 112788, 121680, 122187, 125320, 131820, 140985, 150384, 158184, 162916, 173520, 175760, 187980, 197730, 203645, 225576, 244374, 250640, 263640, 281970, 316368, 325832, 366561, 375960, 395460, 407290, 451152, 488748, 527280, 529477, 563940, 610935, 651664, 733122, 751920, 790920, 814580, 977496, 1058954, 1127880, 1221870, 1466244, 1581840, 1588431, 1629160, 1832805, 1954992, 2117908, 2255760, 2443740, 2647385, 2932488, 3176862, 3258320, 3665610, 4235816, 4765293, 4887480, 5294770, 5864976, 6353724, 7331220, 7942155, 8471632, 9530586, 9774960, 10589540, 12707448, 14662440, 15884310, 19061172, 21179080, 23826465, 25414896, 29324880, 31768620, 38122344, 42358160, 47652930, 63537240, 76244688, 95305860, 127074480, 190611720, 381223440]

約数ペア:

[(1, 381223440), (2, 190611720), (3, 127074480), (4, 95305860), (5, 76244688), (6, 63537240), (8, 47652930), (9, 42358160), (10, 38122344), (12, 31768620), (13, 29324880), (15, 25414896), (16, 23826465), (18, 21179080), (20, 19061172), (24, 15884310), (26, 14662440), (30, 12707448), (36, 10589540), (39, 9774960), (40, 9530586), (45, 8471632), (48, 7942155), (52, 7331220), (60, 6353724), (65, 5864976), (72, 5294770), (78, 4887480), (80, 4765293), (90, 4235816), (104, 3665610), (117, 3258320), (120, 3176862), (130, 2932488), (144, 2647385), (156, 2443740), (169, 2255760), (180, 2117908), (195, 1954992), (208, 1832805), (234, 1629160), (240, 1588431), (241, 1581840), (260, 1466244), (312, 1221870), (338, 1127880), (360, 1058954), (390, 977496), (468, 814580), (482, 790920), (507, 751920), (520, 733122), (585, 651664), (624, 610935), (676, 563940), (720, 529477), (723, 527280), (780, 488748), (845, 451152), (936, 407290), (964, 395460), (1014, 375960), (1040, 366561), (1170, 325832), (1205, 316368), (1352, 281970), (1446, 263640), (1521, 250640), (1560, 244374), (1690, 225576), (1872, 203645), (1928, 197730), (2028, 187980), (2169, 175760), (2197, 173520), (2340, 162916), (2410, 158184), (2535, 150384), (2704, 140985), (2892, 131820), (3042, 125320), (3120, 122187), (3133, 121680), (3380, 112788), (3615, 105456), (3856, 98865), (4056, 93990), (4338, 87880), (4394, 86760), (4680, 81458), (4820, 79092), (5070, 75192), (5784, 65910), (6084, 62660), (6266, 60840), (6591, 57840), (6760, 56394), (7230, 52728), (7605, 50128), (8112, 46995), (8676, 43940), (8788, 43380), (9360, 40729), (9399, 40560), (9640, 39546), (10140, 37596), (10845, 35152), (10985, 34704), (11568, 32955), (12168, 31330), (12532, 30420), (13182, 28920), (13520, 28197), (14460, 26364), (15210, 25064), (15665, 24336), (17352, 21970), (17576, 21690), (18798, 20280), (19280, 19773)]