164565440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 168

約数和(自身を含む): 451805040

約数和(自身を除く): 287239600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 179, 208, 221, 260, 272, 320, 338, 340, 358, 416, 442, 520, 544, 676, 680, 716, 832, 845, 884, 895, 1040, 1088, 1105, 1352, 1360, 1432, 1690, 1768, 1790, 2080, 2210, 2327, 2704, 2720, 2864, 2873, 3043, 3380, 3536, 3580, 4160, 4420, 4654, 5408, 5440, 5728, 5746, 6086, 6760, 7072, 7160, 8840, 9308, 10816, 11456, 11492, 11635, 12172, 13520, 14144, 14320, 14365, 15215, 17680, 18616, 22984, 23270, 24344, 27040, 28640, 28730, 30251, 30430, 35360, 37232, 39559, 45968, 46540, 48688, 54080, 57280, 57460, 60502, 60860, 70720, 74464, 79118, 91936, 93080, 97376, 114920, 121004, 121720, 148928, 151255, 158236, 183872, 186160, 194752, 197795, 229840, 242008, 243440, 302510, 316472, 372320, 395590, 459680, 484016, 486880, 514267, 605020, 632944, 744640, 791180, 919360, 968032, 973760, 1028534, 1210040, 1265888, 1582360, 1936064, 2057068, 2420080, 2531776, 2571335, 3164720, 4114136, 4840160, 5142670, 6329440, 8228272, 9680320, 10285340, 12658880, 16456544, 20570680, 32913088, 41141360, 82282720, 164565440]

約数ペア:

[(1, 164565440), (2, 82282720), (4, 41141360), (5, 32913088), (8, 20570680), (10, 16456544), (13, 12658880), (16, 10285340), (17, 9680320), (20, 8228272), (26, 6329440), (32, 5142670), (34, 4840160), (40, 4114136), (52, 3164720), (64, 2571335), (65, 2531776), (68, 2420080), (80, 2057068), (85, 1936064), (104, 1582360), (130, 1265888), (136, 1210040), (160, 1028534), (169, 973760), (170, 968032), (179, 919360), (208, 791180), (221, 744640), (260, 632944), (272, 605020), (320, 514267), (338, 486880), (340, 484016), (358, 459680), (416, 395590), (442, 372320), (520, 316472), (544, 302510), (676, 243440), (680, 242008), (716, 229840), (832, 197795), (845, 194752), (884, 186160), (895, 183872), (1040, 158236), (1088, 151255), (1105, 148928), (1352, 121720), (1360, 121004), (1432, 114920), (1690, 97376), (1768, 93080), (1790, 91936), (2080, 79118), (2210, 74464), (2327, 70720), (2704, 60860), (2720, 60502), (2864, 57460), (2873, 57280), (3043, 54080), (3380, 48688), (3536, 46540), (3580, 45968), (4160, 39559), (4420, 37232), (4654, 35360), (5408, 30430), (5440, 30251), (5728, 28730), (5746, 28640), (6086, 27040), (6760, 24344), (7072, 23270), (7160, 22984), (8840, 18616), (9308, 17680), (10816, 15215), (11456, 14365), (11492, 14320), (11635, 14144), (12172, 13520)]