263305320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1995

約数の個数: 128

約数和(自身を含む): 837872640

約数和(自身を除く): 574567320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 1913, 2220, 2294, 3441, 3720, 3826, 4440, 4588, 5735, 5739, 6882, 7652, 9176, 9565, 11470, 11478, 13764, 15304, 17205, 19130, 22940, 22956, 27528, 28695, 34410, 38260, 45880, 45912, 57390, 59303, 68820, 70781, 76520, 114780, 118606, 137640, 141562, 177909, 212343, 229560, 237212, 283124, 296515, 353905, 355818, 424686, 474424, 566248, 593030, 707810, 711636, 849372, 889545, 1061715, 1186060, 1415620, 1423272, 1698744, 1779090, 2123430, 2194211, 2372120, 2831240, 3558180, 4246860, 4388422, 6582633, 7116360, 8493720, 8776844, 10971055, 13165266, 17553688, 21942110, 26330532, 32913165, 43884220, 52661064, 65826330, 87768440, 131652660, 263305320]

約数ペア:

[(1, 263305320), (2, 131652660), (3, 87768440), (4, 65826330), (5, 52661064), (6, 43884220), (8, 32913165), (10, 26330532), (12, 21942110), (15, 17553688), (20, 13165266), (24, 10971055), (30, 8776844), (31, 8493720), (37, 7116360), (40, 6582633), (60, 4388422), (62, 4246860), (74, 3558180), (93, 2831240), (111, 2372120), (120, 2194211), (124, 2123430), (148, 1779090), (155, 1698744), (185, 1423272), (186, 1415620), (222, 1186060), (248, 1061715), (296, 889545), (310, 849372), (370, 711636), (372, 707810), (444, 593030), (465, 566248), (555, 474424), (620, 424686), (740, 355818), (744, 353905), (888, 296515), (930, 283124), (1110, 237212), (1147, 229560), (1240, 212343), (1480, 177909), (1860, 141562), (1913, 137640), (2220, 118606), (2294, 114780), (3441, 76520), (3720, 70781), (3826, 68820), (4440, 59303), (4588, 57390), (5735, 45912), (5739, 45880), (6882, 38260), (7652, 34410), (9176, 28695), (9565, 27528), (11470, 22956), (11478, 22940), (13764, 19130), (15304, 17205)]