64866880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:564

約数の個数: 112

約数和(自身を含む): 172053504

約数和(自身を除く): 107186624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 503, 520, 620, 806, 832, 992, 1006, 1040, 1240, 1612, 1984, 2012, 2015, 2080, 2480, 2515, 3224, 4024, 4030, 4160, 4960, 5030, 6448, 6539, 8048, 8060, 9920, 10060, 12896, 13078, 15593, 16096, 16120, 20120, 25792, 26156, 31186, 32192, 32240, 32695, 40240, 52312, 62372, 64480, 65390, 77965, 80480, 104624, 124744, 128960, 130780, 155930, 160960, 202709, 209248, 249488, 261560, 311860, 405418, 418496, 498976, 523120, 623720, 810836, 997952, 1013545, 1046240, 1247440, 1621672, 2027090, 2092480, 2494880, 3243344, 4054180, 4989760, 6486688, 8108360, 12973376, 16216720, 32433440, 64866880]

約数ペア:

[(1, 64866880), (2, 32433440), (4, 16216720), (5, 12973376), (8, 8108360), (10, 6486688), (13, 4989760), (16, 4054180), (20, 3243344), (26, 2494880), (31, 2092480), (32, 2027090), (40, 1621672), (52, 1247440), (62, 1046240), (64, 1013545), (65, 997952), (80, 810836), (104, 623720), (124, 523120), (130, 498976), (155, 418496), (160, 405418), (208, 311860), (248, 261560), (260, 249488), (310, 209248), (320, 202709), (403, 160960), (416, 155930), (496, 130780), (503, 128960), (520, 124744), (620, 104624), (806, 80480), (832, 77965), (992, 65390), (1006, 64480), (1040, 62372), (1240, 52312), (1612, 40240), (1984, 32695), (2012, 32240), (2015, 32192), (2080, 31186), (2480, 26156), (2515, 25792), (3224, 20120), (4024, 16120), (4030, 16096), (4160, 15593), (4960, 13078), (5030, 12896), (6448, 10060), (6539, 9920), (8048, 8060)]