64855440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 240

約数和(自身を含む): 241703280

約数和(自身を除く): 176847840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 48, 52, 60, 65, 72, 78, 80, 82, 90, 104, 117, 120, 123, 130, 144, 156, 164, 169, 180, 195, 205, 208, 234, 240, 246, 260, 312, 328, 338, 360, 369, 390, 410, 468, 492, 507, 520, 533, 585, 615, 624, 656, 676, 720, 738, 780, 820, 845, 936, 984, 1014, 1040, 1066, 1170, 1230, 1352, 1476, 1521, 1560, 1599, 1640, 1690, 1845, 1872, 1968, 2028, 2132, 2197, 2340, 2460, 2535, 2665, 2704, 2952, 3042, 3120, 3198, 3280, 3380, 3690, 4056, 4264, 4394, 4680, 4797, 4920, 5070, 5330, 5904, 6084, 6396, 6591, 6760, 6929, 7380, 7605, 7995, 8112, 8528, 8788, 9360, 9594, 9840, 10140, 10660, 10985, 12168, 12792, 13182, 13520, 13858, 14760, 15210, 15990, 17576, 19188, 19773, 20280, 20787, 21320, 21970, 23985, 24336, 25584, 26364, 27716, 29520, 30420, 31980, 32955, 34645, 35152, 38376, 39546, 40560, 41574, 42640, 43940, 47970, 52728, 55432, 60840, 62361, 63960, 65910, 69290, 76752, 79092, 83148, 87880, 90077, 95940, 98865, 103935, 105456, 110864, 121680, 124722, 127920, 131820, 138580, 158184, 166296, 175760, 180154, 191880, 197730, 207870, 249444, 263640, 270231, 277160, 311805, 316368, 332592, 360308, 383760, 395460, 415740, 450385, 498888, 527280, 540462, 554320, 623610, 720616, 790920, 810693, 831480, 900770, 997776, 1080924, 1247220, 1351155, 1441232, 1581840, 1621386, 1662960, 1801540, 2161848, 2494440, 2702310, 3242772, 3603080, 4053465, 4323696, 4988880, 5404620, 6485544, 7206160, 8106930, 10809240, 12971088, 16213860, 21618480, 32427720, 64855440]

約数ペア:

[(1, 64855440), (2, 32427720), (3, 21618480), (4, 16213860), (5, 12971088), (6, 10809240), (8, 8106930), (9, 7206160), (10, 6485544), (12, 5404620), (13, 4988880), (15, 4323696), (16, 4053465), (18, 3603080), (20, 3242772), (24, 2702310), (26, 2494440), (30, 2161848), (36, 1801540), (39, 1662960), (40, 1621386), (41, 1581840), (45, 1441232), (48, 1351155), (52, 1247220), (60, 1080924), (65, 997776), (72, 900770), (78, 831480), (80, 810693), (82, 790920), (90, 720616), (104, 623610), (117, 554320), (120, 540462), (123, 527280), (130, 498888), (144, 450385), (156, 415740), (164, 395460), (169, 383760), (180, 360308), (195, 332592), (205, 316368), (208, 311805), (234, 277160), (240, 270231), (246, 263640), (260, 249444), (312, 207870), (328, 197730), (338, 191880), (360, 180154), (369, 175760), (390, 166296), (410, 158184), (468, 138580), (492, 131820), (507, 127920), (520, 124722), (533, 121680), (585, 110864), (615, 105456), (624, 103935), (656, 98865), (676, 95940), (720, 90077), (738, 87880), (780, 83148), (820, 79092), (845, 76752), (936, 69290), (984, 65910), (1014, 63960), (1040, 62361), (1066, 60840), (1170, 55432), (1230, 52728), (1352, 47970), (1476, 43940), (1521, 42640), (1560, 41574), (1599, 40560), (1640, 39546), (1690, 38376), (1845, 35152), (1872, 34645), (1968, 32955), (2028, 31980), (2132, 30420), (2197, 29520), (2340, 27716), (2460, 26364), (2535, 25584), (2665, 24336), (2704, 23985), (2952, 21970), (3042, 21320), (3120, 20787), (3198, 20280), (3280, 19773), (3380, 19188), (3690, 17576), (4056, 15990), (4264, 15210), (4394, 14760), (4680, 13858), (4797, 13520), (4920, 13182), (5070, 12792), (5330, 12168), (5904, 10985), (6084, 10660), (6396, 10140), (6591, 9840), (6760, 9594), (6929, 9360), (7380, 8788), (7605, 8528), (7995, 8112)]