81258840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 288943200

約数和(自身を除く): 207684360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 97, 104, 117, 120, 130, 156, 179, 180, 194, 195, 234, 260, 291, 312, 358, 360, 388, 390, 468, 485, 520, 537, 582, 585, 716, 776, 780, 873, 895, 936, 970, 1074, 1164, 1170, 1261, 1432, 1455, 1560, 1611, 1746, 1790, 1940, 2148, 2327, 2328, 2340, 2522, 2685, 2910, 3222, 3492, 3580, 3783, 3880, 4296, 4365, 4654, 4680, 5044, 5370, 5820, 6305, 6444, 6981, 6984, 7160, 7566, 8055, 8730, 9308, 10088, 10740, 11349, 11635, 11640, 12610, 12888, 13962, 15132, 16110, 17363, 17460, 18616, 18915, 20943, 21480, 22698, 23270, 25220, 27924, 30264, 32220, 34726, 34905, 34920, 37830, 41886, 45396, 46540, 50440, 52089, 55848, 56745, 64440, 69452, 69810, 75660, 83772, 86815, 90792, 93080, 104178, 104715, 113490, 138904, 139620, 151320, 156267, 167544, 173630, 208356, 209430, 225719, 226980, 260445, 279240, 312534, 347260, 416712, 418860, 451438, 453960, 520890, 625068, 677157, 694520, 781335, 837720, 902876, 1041780, 1128595, 1250136, 1354314, 1562670, 1805752, 2031471, 2083560, 2257190, 2708628, 3125340, 3385785, 4062942, 4514380, 5417256, 6250680, 6771570, 8125884, 9028760, 10157355, 13543140, 16251768, 20314710, 27086280, 40629420, 81258840]

約数ペア:

[(1, 81258840), (2, 40629420), (3, 27086280), (4, 20314710), (5, 16251768), (6, 13543140), (8, 10157355), (9, 9028760), (10, 8125884), (12, 6771570), (13, 6250680), (15, 5417256), (18, 4514380), (20, 4062942), (24, 3385785), (26, 3125340), (30, 2708628), (36, 2257190), (39, 2083560), (40, 2031471), (45, 1805752), (52, 1562670), (60, 1354314), (65, 1250136), (72, 1128595), (78, 1041780), (90, 902876), (97, 837720), (104, 781335), (117, 694520), (120, 677157), (130, 625068), (156, 520890), (179, 453960), (180, 451438), (194, 418860), (195, 416712), (234, 347260), (260, 312534), (291, 279240), (312, 260445), (358, 226980), (360, 225719), (388, 209430), (390, 208356), (468, 173630), (485, 167544), (520, 156267), (537, 151320), (582, 139620), (585, 138904), (716, 113490), (776, 104715), (780, 104178), (873, 93080), (895, 90792), (936, 86815), (970, 83772), (1074, 75660), (1164, 69810), (1170, 69452), (1261, 64440), (1432, 56745), (1455, 55848), (1560, 52089), (1611, 50440), (1746, 46540), (1790, 45396), (1940, 41886), (2148, 37830), (2327, 34920), (2328, 34905), (2340, 34726), (2522, 32220), (2685, 30264), (2910, 27924), (3222, 25220), (3492, 23270), (3580, 22698), (3783, 21480), (3880, 20943), (4296, 18915), (4365, 18616), (4654, 17460), (4680, 17363), (5044, 16110), (5370, 15132), (5820, 13962), (6305, 12888), (6444, 12610), (6981, 11640), (6984, 11635), (7160, 11349), (7566, 10740), (8055, 10088), (8730, 9308)]