81527580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 192809700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 83, 85, 90, 102, 107, 108, 135, 153, 166, 170, 180, 204, 214, 249, 255, 270, 306, 321, 332, 340, 415, 428, 459, 498, 510, 535, 540, 612, 642, 747, 765, 830, 918, 963, 996, 1020, 1070, 1245, 1284, 1411, 1494, 1530, 1605, 1660, 1819, 1836, 1926, 2140, 2241, 2295, 2490, 2822, 2889, 2988, 3060, 3210, 3638, 3735, 3852, 4233, 4482, 4590, 4815, 4980, 5457, 5644, 5778, 6420, 7055, 7276, 7470, 8466, 8881, 8964, 9095, 9180, 9630, 10914, 11205, 11556, 12699, 14110, 14445, 14940, 16371, 16932, 17762, 18190, 19260, 21165, 21828, 22410, 25398, 26643, 27285, 28220, 28890, 32742, 35524, 36380, 38097, 42330, 44405, 44820, 49113, 50796, 53286, 54570, 57780, 63495, 65484, 76194, 79929, 81855, 84660, 88810, 98226, 106572, 109140, 126990, 133215, 150977, 152388, 159858, 163710, 177620, 190485, 196452, 239787, 245565, 253980, 266430, 301954, 319716, 327420, 380970, 399645, 452931, 479574, 491130, 532860, 603908, 754885, 761940, 799290, 905862, 959148, 982260, 1198935, 1358793, 1509770, 1598580, 1811724, 2264655, 2397870, 2717586, 3019540, 4076379, 4529310, 4795740, 5435172, 6793965, 8152758, 9058620, 13587930, 16305516, 20381895, 27175860, 40763790, 81527580]

約数ペア:

[(1, 81527580), (2, 40763790), (3, 27175860), (4, 20381895), (5, 16305516), (6, 13587930), (9, 9058620), (10, 8152758), (12, 6793965), (15, 5435172), (17, 4795740), (18, 4529310), (20, 4076379), (27, 3019540), (30, 2717586), (34, 2397870), (36, 2264655), (45, 1811724), (51, 1598580), (54, 1509770), (60, 1358793), (68, 1198935), (83, 982260), (85, 959148), (90, 905862), (102, 799290), (107, 761940), (108, 754885), (135, 603908), (153, 532860), (166, 491130), (170, 479574), (180, 452931), (204, 399645), (214, 380970), (249, 327420), (255, 319716), (270, 301954), (306, 266430), (321, 253980), (332, 245565), (340, 239787), (415, 196452), (428, 190485), (459, 177620), (498, 163710), (510, 159858), (535, 152388), (540, 150977), (612, 133215), (642, 126990), (747, 109140), (765, 106572), (830, 98226), (918, 88810), (963, 84660), (996, 81855), (1020, 79929), (1070, 76194), (1245, 65484), (1284, 63495), (1411, 57780), (1494, 54570), (1530, 53286), (1605, 50796), (1660, 49113), (1819, 44820), (1836, 44405), (1926, 42330), (2140, 38097), (2241, 36380), (2295, 35524), (2490, 32742), (2822, 28890), (2889, 28220), (2988, 27285), (3060, 26643), (3210, 25398), (3638, 22410), (3735, 21828), (3852, 21165), (4233, 19260), (4482, 18190), (4590, 17762), (4815, 16932), (4980, 16371), (5457, 14940), (5644, 14445), (5778, 14110), (6420, 12699), (7055, 11556), (7276, 11205), (7470, 10914), (8466, 9630), (8881, 9180), (8964, 9095)]