11986520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 34473600

約数和(自身を除く): 22487080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 89, 91, 104, 130, 140, 148, 178, 182, 185, 259, 260, 280, 296, 356, 364, 370, 445, 455, 481, 518, 520, 623, 712, 728, 740, 890, 910, 962, 1036, 1157, 1246, 1295, 1480, 1780, 1820, 1924, 2072, 2314, 2405, 2492, 2590, 3115, 3293, 3367, 3560, 3640, 3848, 4628, 4810, 4984, 5180, 5785, 6230, 6586, 6734, 8099, 9256, 9620, 10360, 11570, 12460, 13172, 13468, 16198, 16465, 16835, 19240, 23051, 23140, 24920, 26344, 26936, 32396, 32930, 33670, 40495, 42809, 46102, 46280, 64792, 65860, 67340, 80990, 85618, 92204, 115255, 131720, 134680, 161980, 171236, 184408, 214045, 230510, 299663, 323960, 342472, 428090, 461020, 599326, 856180, 922040, 1198652, 1498315, 1712360, 2397304, 2996630, 5993260, 11986520]

約数ペア:

[(1, 11986520), (2, 5993260), (4, 2996630), (5, 2397304), (7, 1712360), (8, 1498315), (10, 1198652), (13, 922040), (14, 856180), (20, 599326), (26, 461020), (28, 428090), (35, 342472), (37, 323960), (40, 299663), (52, 230510), (56, 214045), (65, 184408), (70, 171236), (74, 161980), (89, 134680), (91, 131720), (104, 115255), (130, 92204), (140, 85618), (148, 80990), (178, 67340), (182, 65860), (185, 64792), (259, 46280), (260, 46102), (280, 42809), (296, 40495), (356, 33670), (364, 32930), (370, 32396), (445, 26936), (455, 26344), (481, 24920), (518, 23140), (520, 23051), (623, 19240), (712, 16835), (728, 16465), (740, 16198), (890, 13468), (910, 13172), (962, 12460), (1036, 11570), (1157, 10360), (1246, 9620), (1295, 9256), (1480, 8099), (1780, 6734), (1820, 6586), (1924, 6230), (2072, 5785), (2314, 5180), (2405, 4984), (2492, 4810), (2590, 4628), (3115, 3848), (3293, 3640), (3367, 3560)]