131026980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1154

約数の個数: 144

約数和(自身を含む): 437584896

約数和(自身を除く): 306557916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 861, 980, 1087, 1148, 1230, 1435, 1470, 1722, 2009, 2174, 2460, 2870, 2940, 3261, 3444, 4018, 4305, 4348, 5435, 5740, 6027, 6522, 7609, 8036, 8610, 10045, 10870, 12054, 13044, 15218, 16305, 17220, 20090, 21740, 22827, 24108, 30135, 30436, 32610, 38045, 40180, 44567, 45654, 53263, 60270, 65220, 76090, 89134, 91308, 106526, 114135, 120540, 133701, 152180, 159789, 178268, 213052, 222835, 228270, 266315, 267402, 311969, 319578, 445670, 456540, 532630, 534804, 623938, 639156, 668505, 798945, 891340, 935907, 1065260, 1247876, 1337010, 1559845, 1597890, 1871814, 2183783, 2674020, 3119690, 3195780, 3743628, 4367566, 4679535, 6239380, 6551349, 8735132, 9359070, 10918915, 13102698, 18718140, 21837830, 26205396, 32756745, 43675660, 65513490, 131026980]

約数ペア:

[(1, 131026980), (2, 65513490), (3, 43675660), (4, 32756745), (5, 26205396), (6, 21837830), (7, 18718140), (10, 13102698), (12, 10918915), (14, 9359070), (15, 8735132), (20, 6551349), (21, 6239380), (28, 4679535), (30, 4367566), (35, 3743628), (41, 3195780), (42, 3119690), (49, 2674020), (60, 2183783), (70, 1871814), (82, 1597890), (84, 1559845), (98, 1337010), (105, 1247876), (123, 1065260), (140, 935907), (147, 891340), (164, 798945), (196, 668505), (205, 639156), (210, 623938), (245, 534804), (246, 532630), (287, 456540), (294, 445670), (410, 319578), (420, 311969), (490, 267402), (492, 266315), (574, 228270), (588, 222835), (615, 213052), (735, 178268), (820, 159789), (861, 152180), (980, 133701), (1087, 120540), (1148, 114135), (1230, 106526), (1435, 91308), (1470, 89134), (1722, 76090), (2009, 65220), (2174, 60270), (2460, 53263), (2870, 45654), (2940, 44567), (3261, 40180), (3444, 38045), (4018, 32610), (4305, 30436), (4348, 30135), (5435, 24108), (5740, 22827), (6027, 21740), (6522, 20090), (7609, 17220), (8036, 16305), (8610, 15218), (10045, 13044), (10870, 12054)]