82282720

素因数分解:

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

素因数の和:237

約数の個数: 144

約数和(自身を含む): 224123760

約数和(自身を除く): 141841040

約数列:

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

約数ペア:

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