81036960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9931}}^1$

素因数の和:9966

約数の個数: 96

約数和(自身を含む): 270309312

約数和(自身を除く): 189272352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2720, 4080, 8160, 9931, 19862, 29793, 39724, 49655, 59586, 79448, 99310, 119172, 148965, 158896, 168827, 198620, 238344, 297930, 317792, 337654, 397240, 476688, 506481, 595860, 675308, 794480, 844135, 953376, 1012962, 1191720, 1350616, 1588960, 1688270, 2025924, 2383440, 2532405, 2701232, 3376540, 4051848, 4766880, 5064810, 5402464, 6753080, 8103696, 10129620, 13506160, 16207392, 20259240, 27012320, 40518480, 81036960]

約数ペア:

[(1, 81036960), (2, 40518480), (3, 27012320), (4, 20259240), (5, 16207392), (6, 13506160), (8, 10129620), (10, 8103696), (12, 6753080), (15, 5402464), (16, 5064810), (17, 4766880), (20, 4051848), (24, 3376540), (30, 2701232), (32, 2532405), (34, 2383440), (40, 2025924), (48, 1688270), (51, 1588960), (60, 1350616), (68, 1191720), (80, 1012962), (85, 953376), (96, 844135), (102, 794480), (120, 675308), (136, 595860), (160, 506481), (170, 476688), (204, 397240), (240, 337654), (255, 317792), (272, 297930), (340, 238344), (408, 198620), (480, 168827), (510, 158896), (544, 148965), (680, 119172), (816, 99310), (1020, 79448), (1360, 59586), (1632, 49655), (2040, 39724), (2720, 29793), (4080, 19862), (8160, 9931)]