71686020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 240166080

約数和(自身を除く): 168480060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 659, 735, 740, 777, 980, 1036, 1110, 1295, 1318, 1470, 1554, 1813, 1977, 2220, 2590, 2636, 2940, 3108, 3295, 3626, 3885, 3954, 4613, 5180, 5439, 6590, 7252, 7770, 7908, 9065, 9226, 9885, 10878, 13180, 13839, 15540, 18130, 18452, 19770, 21756, 23065, 24383, 27195, 27678, 32291, 36260, 39540, 46130, 48766, 54390, 55356, 64582, 69195, 73149, 92260, 96873, 97532, 108780, 121915, 129164, 138390, 146298, 161455, 170681, 193746, 243830, 276780, 292596, 322910, 341362, 365745, 387492, 484365, 487660, 512043, 645820, 682724, 731490, 853405, 968730, 1024086, 1194767, 1462980, 1706810, 1937460, 2048172, 2389534, 2560215, 3413620, 3584301, 4779068, 5120430, 5973835, 7168602, 10240860, 11947670, 14337204, 17921505, 23895340, 35843010, 71686020]

約数ペア:

[(1, 71686020), (2, 35843010), (3, 23895340), (4, 17921505), (5, 14337204), (6, 11947670), (7, 10240860), (10, 7168602), (12, 5973835), (14, 5120430), (15, 4779068), (20, 3584301), (21, 3413620), (28, 2560215), (30, 2389534), (35, 2048172), (37, 1937460), (42, 1706810), (49, 1462980), (60, 1194767), (70, 1024086), (74, 968730), (84, 853405), (98, 731490), (105, 682724), (111, 645820), (140, 512043), (147, 487660), (148, 484365), (185, 387492), (196, 365745), (210, 341362), (222, 322910), (245, 292596), (259, 276780), (294, 243830), (370, 193746), (420, 170681), (444, 161455), (490, 146298), (518, 138390), (555, 129164), (588, 121915), (659, 108780), (735, 97532), (740, 96873), (777, 92260), (980, 73149), (1036, 69195), (1110, 64582), (1295, 55356), (1318, 54390), (1470, 48766), (1554, 46130), (1813, 39540), (1977, 36260), (2220, 32291), (2590, 27678), (2636, 27195), (2940, 24383), (3108, 23065), (3295, 21756), (3626, 19770), (3885, 18452), (3954, 18130), (4613, 15540), (5180, 13839), (5439, 13180), (6590, 10878), (7252, 9885), (7770, 9226), (7908, 9065)]