51276420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1334

約数の個数: 144

約数和(自身を含む): 177493680

約数和(自身を除く): 126217260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1289, 1326, 1530, 1989, 2210, 2340, 2578, 2652, 3060, 3315, 3867, 3978, 4420, 5156, 6445, 6630, 7734, 7956, 9945, 11601, 12890, 13260, 15468, 16757, 19335, 19890, 21913, 23202, 25780, 33514, 38670, 39780, 43826, 46404, 50271, 58005, 65739, 67028, 77340, 83785, 87652, 100542, 109565, 116010, 131478, 150813, 167570, 197217, 201084, 219130, 232020, 251355, 262956, 284869, 301626, 328695, 335140, 394434, 438260, 502710, 569738, 603252, 657390, 754065, 788868, 854607, 986085, 1005420, 1139476, 1314780, 1424345, 1508130, 1709214, 1972170, 2563821, 2848690, 3016260, 3418428, 3944340, 4273035, 5127642, 5697380, 8546070, 10255284, 12819105, 17092140, 25638210, 51276420]

約数ペア:

[(1, 51276420), (2, 25638210), (3, 17092140), (4, 12819105), (5, 10255284), (6, 8546070), (9, 5697380), (10, 5127642), (12, 4273035), (13, 3944340), (15, 3418428), (17, 3016260), (18, 2848690), (20, 2563821), (26, 1972170), (30, 1709214), (34, 1508130), (36, 1424345), (39, 1314780), (45, 1139476), (51, 1005420), (52, 986085), (60, 854607), (65, 788868), (68, 754065), (78, 657390), (85, 603252), (90, 569738), (102, 502710), (117, 438260), (130, 394434), (153, 335140), (156, 328695), (170, 301626), (180, 284869), (195, 262956), (204, 251355), (221, 232020), (234, 219130), (255, 201084), (260, 197217), (306, 167570), (340, 150813), (390, 131478), (442, 116010), (468, 109565), (510, 100542), (585, 87652), (612, 83785), (663, 77340), (765, 67028), (780, 65739), (884, 58005), (1020, 50271), (1105, 46404), (1170, 43826), (1289, 39780), (1326, 38670), (1530, 33514), (1989, 25780), (2210, 23202), (2340, 21913), (2578, 19890), (2652, 19335), (3060, 16757), (3315, 15468), (3867, 13260), (3978, 12890), (4420, 11601), (5156, 9945), (6445, 7956), (6630, 7734)]