87705720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:335

約数の個数: 192

約数和(自身を含む): 311666400

約数和(自身を除く): 223960680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 281, 289, 306, 340, 360, 408, 459, 510, 540, 562, 578, 612, 680, 765, 843, 867, 918, 1020, 1080, 1124, 1156, 1224, 1405, 1445, 1530, 1686, 1734, 1836, 2040, 2248, 2295, 2312, 2529, 2601, 2810, 2890, 3060, 3372, 3468, 3672, 4215, 4335, 4590, 4777, 5058, 5202, 5620, 5780, 6120, 6744, 6936, 7587, 7803, 8430, 8670, 9180, 9554, 10116, 10404, 11240, 11560, 12645, 13005, 14331, 15174, 15606, 16860, 17340, 18360, 19108, 20232, 20808, 23885, 25290, 26010, 28662, 30348, 31212, 33720, 34680, 37935, 38216, 39015, 42993, 47770, 50580, 52020, 57324, 60696, 62424, 71655, 75870, 78030, 81209, 85986, 95540, 101160, 104040, 114648, 128979, 143310, 151740, 156060, 162418, 171972, 191080, 214965, 243627, 257958, 286620, 303480, 312120, 324836, 343944, 406045, 429930, 487254, 515916, 573240, 644895, 649672, 730881, 812090, 859860, 974508, 1031832, 1218135, 1289790, 1461762, 1624180, 1719720, 1949016, 2192643, 2436270, 2579580, 2923524, 3248360, 3654405, 4385286, 4872540, 5159160, 5847048, 7308810, 8770572, 9745080, 10963215, 14617620, 17541144, 21926430, 29235240, 43852860, 87705720]

約数ペア:

[(1, 87705720), (2, 43852860), (3, 29235240), (4, 21926430), (5, 17541144), (6, 14617620), (8, 10963215), (9, 9745080), (10, 8770572), (12, 7308810), (15, 5847048), (17, 5159160), (18, 4872540), (20, 4385286), (24, 3654405), (27, 3248360), (30, 2923524), (34, 2579580), (36, 2436270), (40, 2192643), (45, 1949016), (51, 1719720), (54, 1624180), (60, 1461762), (68, 1289790), (72, 1218135), (85, 1031832), (90, 974508), (102, 859860), (108, 812090), (120, 730881), (135, 649672), (136, 644895), (153, 573240), (170, 515916), (180, 487254), (204, 429930), (216, 406045), (255, 343944), (270, 324836), (281, 312120), (289, 303480), (306, 286620), (340, 257958), (360, 243627), (408, 214965), (459, 191080), (510, 171972), (540, 162418), (562, 156060), (578, 151740), (612, 143310), (680, 128979), (765, 114648), (843, 104040), (867, 101160), (918, 95540), (1020, 85986), (1080, 81209), (1124, 78030), (1156, 75870), (1224, 71655), (1405, 62424), (1445, 60696), (1530, 57324), (1686, 52020), (1734, 50580), (1836, 47770), (2040, 42993), (2248, 39015), (2295, 38216), (2312, 37935), (2529, 34680), (2601, 33720), (2810, 31212), (2890, 30348), (3060, 28662), (3372, 26010), (3468, 25290), (3672, 23885), (4215, 20808), (4335, 20232), (4590, 19108), (4777, 18360), (5058, 17340), (5202, 16860), (5620, 15606), (5780, 15174), (6120, 14331), (6744, 13005), (6936, 12645), (7587, 11560), (7803, 11240), (8430, 10404), (8670, 10116), (9180, 9554)]