80172180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 180

約数和(自身を含む): 277121460

約数和(自身を除く): 196949280

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 270, 297, 324, 330, 363, 396, 405, 409, 484, 495, 540, 594, 605, 660, 726, 810, 818, 891, 990, 1089, 1188, 1210, 1227, 1452, 1485, 1620, 1636, 1782, 1815, 1980, 2045, 2178, 2420, 2454, 2970, 3267, 3564, 3630, 3681, 4090, 4356, 4455, 4499, 4908, 5445, 5940, 6135, 6534, 7260, 7362, 8180, 8910, 8998, 9801, 10890, 11043, 12270, 13068, 13497, 14724, 16335, 17820, 17996, 18405, 19602, 21780, 22086, 22495, 24540, 26994, 32670, 33129, 36810, 39204, 40491, 44172, 44990, 49005, 49489, 53988, 55215, 65340, 66258, 67485, 73620, 80982, 89980, 98010, 98978, 110430, 121473, 132516, 134970, 148467, 161964, 165645, 196020, 197956, 202455, 220860, 242946, 247445, 269940, 296934, 331290, 364419, 404910, 445401, 485892, 494890, 593868, 607365, 662580, 728838, 742335, 809820, 890802, 989780, 1214730, 1336203, 1457676, 1484670, 1781604, 1822095, 2227005, 2429460, 2672406, 2969340, 3644190, 4008609, 4454010, 5344812, 6681015, 7288380, 8017218, 8908020, 13362030, 16034436, 20043045, 26724060, 40086090, 80172180]

約数ペア:

[(1, 80172180), (2, 40086090), (3, 26724060), (4, 20043045), (5, 16034436), (6, 13362030), (9, 8908020), (10, 8017218), (11, 7288380), (12, 6681015), (15, 5344812), (18, 4454010), (20, 4008609), (22, 3644190), (27, 2969340), (30, 2672406), (33, 2429460), (36, 2227005), (44, 1822095), (45, 1781604), (54, 1484670), (55, 1457676), (60, 1336203), (66, 1214730), (81, 989780), (90, 890802), (99, 809820), (108, 742335), (110, 728838), (121, 662580), (132, 607365), (135, 593868), (162, 494890), (165, 485892), (180, 445401), (198, 404910), (220, 364419), (242, 331290), (270, 296934), (297, 269940), (324, 247445), (330, 242946), (363, 220860), (396, 202455), (405, 197956), (409, 196020), (484, 165645), (495, 161964), (540, 148467), (594, 134970), (605, 132516), (660, 121473), (726, 110430), (810, 98978), (818, 98010), (891, 89980), (990, 80982), (1089, 73620), (1188, 67485), (1210, 66258), (1227, 65340), (1452, 55215), (1485, 53988), (1620, 49489), (1636, 49005), (1782, 44990), (1815, 44172), (1980, 40491), (2045, 39204), (2178, 36810), (2420, 33129), (2454, 32670), (2970, 26994), (3267, 24540), (3564, 22495), (3630, 22086), (3681, 21780), (4090, 19602), (4356, 18405), (4455, 17996), (4499, 17820), (4908, 16335), (5445, 14724), (5940, 13497), (6135, 13068), (6534, 12270), (7260, 11043), (7362, 10890), (8180, 9801), (8910, 8998)]