1921225080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2237}}^1$

素因数の和:2689

約数の個数: 128

約数和(自身を含む): 6119945280

約数和(自身を除く): 4198720200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 421, 510, 680, 842, 1020, 1263, 1684, 2040, 2105, 2237, 2526, 3368, 4210, 4474, 5052, 6315, 6711, 7157, 8420, 8948, 10104, 11185, 12630, 13422, 14314, 16840, 17896, 21471, 22370, 25260, 26844, 28628, 33555, 35785, 38029, 42942, 44740, 50520, 53688, 57256, 67110, 71570, 76058, 85884, 89480, 107355, 114087, 134220, 143140, 152116, 171768, 190145, 214710, 228174, 268440, 286280, 304232, 380290, 429420, 456348, 570435, 760580, 858840, 912696, 941777, 1140870, 1521160, 1883554, 2281740, 2825331, 3767108, 4563480, 4708885, 5650662, 7534216, 9417770, 11301324, 14126655, 16010209, 18835540, 22602648, 28253310, 32020418, 37671080, 48030627, 56506620, 64040836, 80051045, 96061254, 113013240, 128081672, 160102090, 192122508, 240153135, 320204180, 384245016, 480306270, 640408360, 960612540, 1921225080]

約数ペア:

[(1, 1921225080), (2, 960612540), (3, 640408360), (4, 480306270), (5, 384245016), (6, 320204180), (8, 240153135), (10, 192122508), (12, 160102090), (15, 128081672), (17, 113013240), (20, 96061254), (24, 80051045), (30, 64040836), (34, 56506620), (40, 48030627), (51, 37671080), (60, 32020418), (68, 28253310), (85, 22602648), (102, 18835540), (120, 16010209), (136, 14126655), (170, 11301324), (204, 9417770), (255, 7534216), (340, 5650662), (408, 4708885), (421, 4563480), (510, 3767108), (680, 2825331), (842, 2281740), (1020, 1883554), (1263, 1521160), (1684, 1140870), (2040, 941777), (2105, 912696), (2237, 858840), (2526, 760580), (3368, 570435), (4210, 456348), (4474, 429420), (5052, 380290), (6315, 304232), (6711, 286280), (7157, 268440), (8420, 228174), (8948, 214710), (10104, 190145), (11185, 171768), (12630, 152116), (13422, 143140), (14314, 134220), (16840, 114087), (17896, 107355), (21471, 89480), (22370, 85884), (25260, 76058), (26844, 71570), (28628, 67110), (33555, 57256), (35785, 53688), (38029, 50520), (42942, 44740)]