381679440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 1285679616

約数和(自身を除く): 904000176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 31, 40, 48, 58, 60, 61, 62, 80, 87, 93, 116, 120, 122, 124, 145, 155, 174, 183, 186, 232, 240, 244, 248, 290, 305, 310, 348, 366, 372, 435, 464, 465, 488, 496, 580, 610, 620, 696, 732, 744, 841, 870, 899, 915, 930, 976, 1160, 1220, 1240, 1392, 1464, 1488, 1682, 1740, 1769, 1798, 1830, 1860, 1891, 2320, 2440, 2480, 2523, 2697, 2928, 3364, 3480, 3538, 3596, 3660, 3720, 3782, 4205, 4495, 4880, 5046, 5307, 5394, 5673, 6728, 6960, 7076, 7192, 7320, 7440, 7564, 8410, 8845, 8990, 9455, 10092, 10614, 10788, 11346, 12615, 13456, 13485, 14152, 14384, 14640, 15128, 16820, 17690, 17980, 18910, 20184, 21228, 21576, 22692, 25230, 26071, 26535, 26970, 28304, 28365, 30256, 33640, 35380, 35960, 37820, 40368, 42456, 43152, 45384, 50460, 51301, 52142, 53070, 53940, 54839, 56730, 67280, 70760, 71920, 75640, 78213, 84912, 90768, 100920, 102602, 104284, 106140, 107880, 109678, 113460, 130355, 141520, 151280, 153903, 156426, 164517, 201840, 205204, 208568, 212280, 215760, 219356, 226920, 256505, 260710, 274195, 307806, 312852, 329034, 391065, 410408, 417136, 424560, 438712, 453840, 513010, 521420, 548390, 615612, 625704, 658068, 769515, 782130, 820816, 822585, 877424, 1026020, 1042840, 1096780, 1231224, 1251408, 1316136, 1539030, 1564260, 1590331, 1645170, 2052040, 2085680, 2193560, 2462448, 2632272, 3078060, 3128520, 3180662, 3290340, 4104080, 4387120, 4770993, 6156120, 6257040, 6361324, 6580680, 7951655, 9541986, 12312240, 12722648, 13161360, 15903310, 19083972, 23854965, 25445296, 31806620, 38167944, 47709930, 63613240, 76335888, 95419860, 127226480, 190839720, 381679440]

約数ペア:

[(1, 381679440), (2, 190839720), (3, 127226480), (4, 95419860), (5, 76335888), (6, 63613240), (8, 47709930), (10, 38167944), (12, 31806620), (15, 25445296), (16, 23854965), (20, 19083972), (24, 15903310), (29, 13161360), (30, 12722648), (31, 12312240), (40, 9541986), (48, 7951655), (58, 6580680), (60, 6361324), (61, 6257040), (62, 6156120), (80, 4770993), (87, 4387120), (93, 4104080), (116, 3290340), (120, 3180662), (122, 3128520), (124, 3078060), (145, 2632272), (155, 2462448), (174, 2193560), (183, 2085680), (186, 2052040), (232, 1645170), (240, 1590331), (244, 1564260), (248, 1539030), (290, 1316136), (305, 1251408), (310, 1231224), (348, 1096780), (366, 1042840), (372, 1026020), (435, 877424), (464, 822585), (465, 820816), (488, 782130), (496, 769515), (580, 658068), (610, 625704), (620, 615612), (696, 548390), (732, 521420), (744, 513010), (841, 453840), (870, 438712), (899, 424560), (915, 417136), (930, 410408), (976, 391065), (1160, 329034), (1220, 312852), (1240, 307806), (1392, 274195), (1464, 260710), (1488, 256505), (1682, 226920), (1740, 219356), (1769, 215760), (1798, 212280), (1830, 208568), (1860, 205204), (1891, 201840), (2320, 164517), (2440, 156426), (2480, 153903), (2523, 151280), (2697, 141520), (2928, 130355), (3364, 113460), (3480, 109678), (3538, 107880), (3596, 106140), (3660, 104284), (3720, 102602), (3782, 100920), (4205, 90768), (4495, 84912), (4880, 78213), (5046, 75640), (5307, 71920), (5394, 70760), (5673, 67280), (6728, 56730), (6960, 54839), (7076, 53940), (7192, 53070), (7320, 52142), (7440, 51301), (7564, 50460), (8410, 45384), (8845, 43152), (8990, 42456), (9455, 40368), (10092, 37820), (10614, 35960), (10788, 35380), (11346, 33640), (12615, 30256), (13456, 28365), (13485, 28304), (14152, 26970), (14384, 26535), (14640, 26071), (15128, 25230), (16820, 22692), (17690, 21576), (17980, 21228), (18910, 20184)]