31849020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 118014624

約数和(自身を除く): 86165604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 138, 140, 147, 157, 161, 180, 196, 207, 210, 230, 245, 252, 276, 294, 314, 315, 322, 345, 414, 420, 441, 460, 471, 483, 490, 588, 628, 630, 644, 690, 735, 785, 805, 828, 882, 942, 966, 980, 1035, 1099, 1127, 1260, 1380, 1413, 1449, 1470, 1570, 1610, 1764, 1884, 1932, 2070, 2198, 2205, 2254, 2355, 2415, 2826, 2898, 2940, 3140, 3220, 3297, 3381, 3611, 4140, 4396, 4410, 4508, 4710, 4830, 5495, 5635, 5652, 5796, 6594, 6762, 7065, 7222, 7245, 7693, 8820, 9420, 9660, 9891, 10143, 10833, 10990, 11270, 13188, 13524, 14130, 14444, 14490, 15386, 16485, 16905, 18055, 19782, 20286, 21666, 21980, 22540, 23079, 25277, 28260, 28980, 30772, 32499, 32970, 33810, 36110, 38465, 39564, 40572, 43332, 46158, 49455, 50554, 50715, 54165, 64998, 65940, 67620, 69237, 72220, 75831, 76930, 92316, 98910, 101108, 101430, 108330, 115395, 126385, 129996, 138474, 151662, 153860, 162495, 176939, 197820, 202860, 216660, 227493, 230790, 252770, 276948, 303324, 324990, 346185, 353878, 379155, 454986, 461580, 505540, 530817, 649980, 692370, 707756, 758310, 884695, 909972, 1061634, 1137465, 1384740, 1516620, 1592451, 1769390, 2123268, 2274930, 2654085, 3184902, 3538780, 4549860, 5308170, 6369804, 7962255, 10616340, 15924510, 31849020]

約数ペア:

[(1, 31849020), (2, 15924510), (3, 10616340), (4, 7962255), (5, 6369804), (6, 5308170), (7, 4549860), (9, 3538780), (10, 3184902), (12, 2654085), (14, 2274930), (15, 2123268), (18, 1769390), (20, 1592451), (21, 1516620), (23, 1384740), (28, 1137465), (30, 1061634), (35, 909972), (36, 884695), (42, 758310), (45, 707756), (46, 692370), (49, 649980), (60, 530817), (63, 505540), (69, 461580), (70, 454986), (84, 379155), (90, 353878), (92, 346185), (98, 324990), (105, 303324), (115, 276948), (126, 252770), (138, 230790), (140, 227493), (147, 216660), (157, 202860), (161, 197820), (180, 176939), (196, 162495), (207, 153860), (210, 151662), (230, 138474), (245, 129996), (252, 126385), (276, 115395), (294, 108330), (314, 101430), (315, 101108), (322, 98910), (345, 92316), (414, 76930), (420, 75831), (441, 72220), (460, 69237), (471, 67620), (483, 65940), (490, 64998), (588, 54165), (628, 50715), (630, 50554), (644, 49455), (690, 46158), (735, 43332), (785, 40572), (805, 39564), (828, 38465), (882, 36110), (942, 33810), (966, 32970), (980, 32499), (1035, 30772), (1099, 28980), (1127, 28260), (1260, 25277), (1380, 23079), (1413, 22540), (1449, 21980), (1470, 21666), (1570, 20286), (1610, 19782), (1764, 18055), (1884, 16905), (1932, 16485), (2070, 15386), (2198, 14490), (2205, 14444), (2254, 14130), (2355, 13524), (2415, 13188), (2826, 11270), (2898, 10990), (2940, 10833), (3140, 10143), (3220, 9891), (3297, 9660), (3381, 9420), (3611, 8820), (4140, 7693), (4396, 7245), (4410, 7222), (4508, 7065), (4710, 6762), (4830, 6594), (5495, 5796), (5635, 5652)]