8217720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{1087}}^1$

素因数の和:1114

約数の個数: 128

約数和(自身を含む): 31334400

約数和(自身を除く): 23116680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1087, 1260, 1512, 1890, 2174, 2520, 3261, 3780, 4348, 5435, 6522, 7560, 7609, 8696, 9783, 10870, 13044, 15218, 16305, 19566, 21740, 22827, 26088, 29349, 30436, 32610, 38045, 39132, 43480, 45654, 48915, 58698, 60872, 65220, 68481, 76090, 78264, 91308, 97830, 114135, 117396, 130440, 136962, 146745, 152180, 182616, 195660, 205443, 228270, 234792, 273924, 293490, 304360, 342405, 391320, 410886, 456540, 547848, 586980, 684810, 821772, 913080, 1027215, 1173960, 1369620, 1643544, 2054430, 2739240, 4108860, 8217720]

約数ペア:

[(1, 8217720), (2, 4108860), (3, 2739240), (4, 2054430), (5, 1643544), (6, 1369620), (7, 1173960), (8, 1027215), (9, 913080), (10, 821772), (12, 684810), (14, 586980), (15, 547848), (18, 456540), (20, 410886), (21, 391320), (24, 342405), (27, 304360), (28, 293490), (30, 273924), (35, 234792), (36, 228270), (40, 205443), (42, 195660), (45, 182616), (54, 152180), (56, 146745), (60, 136962), (63, 130440), (70, 117396), (72, 114135), (84, 97830), (90, 91308), (105, 78264), (108, 76090), (120, 68481), (126, 65220), (135, 60872), (140, 58698), (168, 48915), (180, 45654), (189, 43480), (210, 39132), (216, 38045), (252, 32610), (270, 30436), (280, 29349), (315, 26088), (360, 22827), (378, 21740), (420, 19566), (504, 16305), (540, 15218), (630, 13044), (756, 10870), (840, 9783), (945, 8696), (1080, 7609), (1087, 7560), (1260, 6522), (1512, 5435), (1890, 4348), (2174, 3780), (2520, 3261)]