25220520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 93759120

約数和(自身を除く): 68538600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 317, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 634, 663, 680, 765, 780, 884, 936, 951, 1020, 1105, 1170, 1224, 1268, 1326, 1530, 1560, 1585, 1768, 1902, 1989, 2040, 2210, 2340, 2536, 2652, 2853, 3060, 3170, 3315, 3804, 3978, 4121, 4420, 4680, 4755, 5304, 5389, 5706, 6120, 6340, 6630, 7608, 7956, 8242, 8840, 9510, 9945, 10778, 11412, 12363, 12680, 13260, 14265, 15912, 16167, 16484, 19020, 19890, 20605, 21556, 22824, 24726, 26520, 26945, 28530, 32334, 32968, 37089, 38040, 39780, 41210, 43112, 48501, 49452, 53890, 57060, 61815, 64668, 70057, 74178, 79560, 80835, 82420, 97002, 98904, 107780, 114120, 123630, 129336, 140114, 148356, 161670, 164840, 185445, 194004, 210171, 215560, 242505, 247260, 280228, 296712, 323340, 350285, 370890, 388008, 420342, 485010, 494520, 560456, 630513, 646680, 700570, 741780, 840684, 970020, 1050855, 1261026, 1401140, 1483560, 1681368, 1940040, 2101710, 2522052, 2802280, 3152565, 4203420, 5044104, 6305130, 8406840, 12610260, 25220520]

約数ペア:

[(1, 25220520), (2, 12610260), (3, 8406840), (4, 6305130), (5, 5044104), (6, 4203420), (8, 3152565), (9, 2802280), (10, 2522052), (12, 2101710), (13, 1940040), (15, 1681368), (17, 1483560), (18, 1401140), (20, 1261026), (24, 1050855), (26, 970020), (30, 840684), (34, 741780), (36, 700570), (39, 646680), (40, 630513), (45, 560456), (51, 494520), (52, 485010), (60, 420342), (65, 388008), (68, 370890), (72, 350285), (78, 323340), (85, 296712), (90, 280228), (102, 247260), (104, 242505), (117, 215560), (120, 210171), (130, 194004), (136, 185445), (153, 164840), (156, 161670), (170, 148356), (180, 140114), (195, 129336), (204, 123630), (221, 114120), (234, 107780), (255, 98904), (260, 97002), (306, 82420), (312, 80835), (317, 79560), (340, 74178), (360, 70057), (390, 64668), (408, 61815), (442, 57060), (468, 53890), (510, 49452), (520, 48501), (585, 43112), (612, 41210), (634, 39780), (663, 38040), (680, 37089), (765, 32968), (780, 32334), (884, 28530), (936, 26945), (951, 26520), (1020, 24726), (1105, 22824), (1170, 21556), (1224, 20605), (1268, 19890), (1326, 19020), (1530, 16484), (1560, 16167), (1585, 15912), (1768, 14265), (1902, 13260), (1989, 12680), (2040, 12363), (2210, 11412), (2340, 10778), (2536, 9945), (2652, 9510), (2853, 8840), (3060, 8242), (3170, 7956), (3315, 7608), (3804, 6630), (3978, 6340), (4121, 6120), (4420, 5706), (4680, 5389), (4755, 5304)]