251359160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{503}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 630594720

約数和(自身を除く): 379235560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 503, 520, 620, 806, 961, 1006, 1240, 1612, 1922, 2012, 2015, 2515, 3224, 3844, 4024, 4030, 4805, 5030, 6539, 7688, 8060, 9610, 10060, 12493, 13078, 15593, 16120, 19220, 20120, 24986, 26156, 31186, 32695, 38440, 49972, 52312, 62372, 62465, 65390, 77965, 99944, 124744, 124930, 130780, 155930, 202709, 249860, 261560, 311860, 405418, 483383, 499720, 623720, 810836, 966766, 1013545, 1621672, 1933532, 2027090, 2416915, 3867064, 4054180, 4833830, 6283979, 8108360, 9667660, 12567958, 19335320, 25135916, 31419895, 50271832, 62839790, 125679580, 251359160]

約数ペア:

[(1, 251359160), (2, 125679580), (4, 62839790), (5, 50271832), (8, 31419895), (10, 25135916), (13, 19335320), (20, 12567958), (26, 9667660), (31, 8108360), (40, 6283979), (52, 4833830), (62, 4054180), (65, 3867064), (104, 2416915), (124, 2027090), (130, 1933532), (155, 1621672), (248, 1013545), (260, 966766), (310, 810836), (403, 623720), (503, 499720), (520, 483383), (620, 405418), (806, 311860), (961, 261560), (1006, 249860), (1240, 202709), (1612, 155930), (1922, 130780), (2012, 124930), (2015, 124744), (2515, 99944), (3224, 77965), (3844, 65390), (4024, 62465), (4030, 62372), (4805, 52312), (5030, 49972), (6539, 38440), (7688, 32695), (8060, 31186), (9610, 26156), (10060, 24986), (12493, 20120), (13078, 19220), (15593, 16120)]