1628471480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 3969725760

約数和(自身を除く): 2341254280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 131, 136, 170, 181, 202, 262, 340, 362, 404, 505, 524, 655, 680, 724, 808, 905, 1010, 1048, 1310, 1448, 1717, 1810, 2020, 2227, 2620, 3077, 3434, 3620, 4040, 4454, 5240, 6154, 6868, 7240, 8585, 8908, 11135, 12308, 13231, 13736, 15385, 17170, 17816, 18281, 22270, 23711, 24616, 26462, 30770, 34340, 36562, 44540, 47422, 52924, 61540, 66155, 68680, 73124, 89080, 91405, 94844, 105848, 118555, 123080, 132310, 146248, 182810, 189688, 224927, 237110, 264620, 310777, 365620, 403087, 449854, 474220, 529240, 621554, 731240, 806174, 899708, 948440, 1124635, 1243108, 1553885, 1612348, 1799416, 2015435, 2249270, 2394811, 2486216, 3107770, 3224696, 4030870, 4498540, 4789622, 6215540, 8061740, 8997080, 9579244, 11974055, 12431080, 16123480, 19158488, 23948110, 40711787, 47896220, 81423574, 95792440, 162847148, 203558935, 325694296, 407117870, 814235740, 1628471480]

約数ペア:

[(1, 1628471480), (2, 814235740), (4, 407117870), (5, 325694296), (8, 203558935), (10, 162847148), (17, 95792440), (20, 81423574), (34, 47896220), (40, 40711787), (68, 23948110), (85, 19158488), (101, 16123480), (131, 12431080), (136, 11974055), (170, 9579244), (181, 8997080), (202, 8061740), (262, 6215540), (340, 4789622), (362, 4498540), (404, 4030870), (505, 3224696), (524, 3107770), (655, 2486216), (680, 2394811), (724, 2249270), (808, 2015435), (905, 1799416), (1010, 1612348), (1048, 1553885), (1310, 1243108), (1448, 1124635), (1717, 948440), (1810, 899708), (2020, 806174), (2227, 731240), (2620, 621554), (3077, 529240), (3434, 474220), (3620, 449854), (4040, 403087), (4454, 365620), (5240, 310777), (6154, 264620), (6868, 237110), (7240, 224927), (8585, 189688), (8908, 182810), (11135, 146248), (12308, 132310), (13231, 123080), (13736, 118555), (15385, 105848), (17170, 94844), (17816, 91405), (18281, 89080), (22270, 73124), (23711, 68680), (24616, 66155), (26462, 61540), (30770, 52924), (34340, 47422), (36562, 44540)]