128374480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 349290144

約数和(自身を除く): 220915664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 53, 65, 68, 80, 85, 104, 106, 130, 136, 137, 170, 208, 212, 221, 260, 265, 272, 274, 340, 424, 442, 520, 530, 548, 680, 685, 689, 848, 884, 901, 1040, 1060, 1096, 1105, 1360, 1370, 1378, 1768, 1781, 1802, 2120, 2192, 2210, 2329, 2740, 2756, 3445, 3536, 3562, 3604, 4240, 4420, 4505, 4658, 5480, 5512, 6890, 7124, 7208, 7261, 8840, 8905, 9010, 9316, 10960, 11024, 11645, 11713, 13780, 14248, 14416, 14522, 17680, 17810, 18020, 18632, 23290, 23426, 27560, 28496, 29044, 30277, 35620, 36040, 36305, 37264, 46580, 46852, 55120, 58088, 58565, 60554, 71240, 72080, 72610, 93160, 93704, 94393, 116176, 117130, 121108, 123437, 142480, 145220, 151385, 186320, 187408, 188786, 234260, 242216, 246874, 290440, 302770, 377572, 468520, 471965, 484432, 493748, 580880, 605540, 617185, 755144, 937040, 943930, 987496, 1211080, 1234370, 1510288, 1604681, 1887860, 1974992, 2422160, 2468740, 3209362, 3775720, 4937480, 6418724, 7551440, 8023405, 9874960, 12837448, 16046810, 25674896, 32093620, 64187240, 128374480]

約数ペア:

[(1, 128374480), (2, 64187240), (4, 32093620), (5, 25674896), (8, 16046810), (10, 12837448), (13, 9874960), (16, 8023405), (17, 7551440), (20, 6418724), (26, 4937480), (34, 3775720), (40, 3209362), (52, 2468740), (53, 2422160), (65, 1974992), (68, 1887860), (80, 1604681), (85, 1510288), (104, 1234370), (106, 1211080), (130, 987496), (136, 943930), (137, 937040), (170, 755144), (208, 617185), (212, 605540), (221, 580880), (260, 493748), (265, 484432), (272, 471965), (274, 468520), (340, 377572), (424, 302770), (442, 290440), (520, 246874), (530, 242216), (548, 234260), (680, 188786), (685, 187408), (689, 186320), (848, 151385), (884, 145220), (901, 142480), (1040, 123437), (1060, 121108), (1096, 117130), (1105, 116176), (1360, 94393), (1370, 93704), (1378, 93160), (1768, 72610), (1781, 72080), (1802, 71240), (2120, 60554), (2192, 58565), (2210, 58088), (2329, 55120), (2740, 46852), (2756, 46580), (3445, 37264), (3536, 36305), (3562, 36040), (3604, 35620), (4240, 30277), (4420, 29044), (4505, 28496), (4658, 27560), (5480, 23426), (5512, 23290), (6890, 18632), (7124, 18020), (7208, 17810), (7261, 17680), (8840, 14522), (8905, 14416), (9010, 14248), (9316, 13780), (10960, 11713), (11024, 11645)]