487578420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{18427}}^1$

素因数の和:18459

約数の個数: 144

約数和(自身を含む): 1764665280

約数和(自身を除く): 1277086860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 18427, 26460, 36854, 55281, 73708, 92135, 110562, 128989, 165843, 184270, 221124, 257978, 276405, 331686, 368540, 386967, 497529, 515956, 552810, 644945, 663372, 773934, 829215, 902923, 995058, 1105620, 1160901, 1289890, 1547868, 1658430, 1805846, 1934835, 1990116, 2321802, 2487645, 2579780, 2708769, 3316860, 3482703, 3611692, 3869670, 4514615, 4643604, 4975290, 5417538, 5804505, 6965406, 7739340, 8126307, 9029230, 9950580, 10835076, 11609010, 13543845, 13930812, 16252614, 17413515, 18058460, 23218020, 24378921, 27087690, 32505228, 34827030, 40631535, 48757842, 54175380, 69654060, 81263070, 97515684, 121894605, 162526140, 243789210, 487578420]

約数ペア:

[(1, 487578420), (2, 243789210), (3, 162526140), (4, 121894605), (5, 97515684), (6, 81263070), (7, 69654060), (9, 54175380), (10, 48757842), (12, 40631535), (14, 34827030), (15, 32505228), (18, 27087690), (20, 24378921), (21, 23218020), (27, 18058460), (28, 17413515), (30, 16252614), (35, 13930812), (36, 13543845), (42, 11609010), (45, 10835076), (49, 9950580), (54, 9029230), (60, 8126307), (63, 7739340), (70, 6965406), (84, 5804505), (90, 5417538), (98, 4975290), (105, 4643604), (108, 4514615), (126, 3869670), (135, 3611692), (140, 3482703), (147, 3316860), (180, 2708769), (189, 2579780), (196, 2487645), (210, 2321802), (245, 1990116), (252, 1934835), (270, 1805846), (294, 1658430), (315, 1547868), (378, 1289890), (420, 1160901), (441, 1105620), (490, 995058), (540, 902923), (588, 829215), (630, 773934), (735, 663372), (756, 644945), (882, 552810), (945, 515956), (980, 497529), (1260, 386967), (1323, 368540), (1470, 331686), (1764, 276405), (1890, 257978), (2205, 221124), (2646, 184270), (2940, 165843), (3780, 128989), (4410, 110562), (5292, 92135), (6615, 73708), (8820, 55281), (13230, 36854), (18427, 26460)]