51509640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 256

約数和(自身を含む): 195955200

約数和(自身を除く): 144445560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 53, 56, 60, 65, 70, 78, 84, 89, 91, 104, 105, 106, 120, 130, 140, 156, 159, 168, 178, 182, 195, 210, 212, 260, 265, 267, 273, 280, 312, 318, 356, 364, 371, 390, 420, 424, 445, 455, 520, 530, 534, 546, 623, 636, 689, 712, 728, 742, 780, 795, 840, 890, 910, 1060, 1068, 1092, 1113, 1157, 1246, 1272, 1335, 1365, 1378, 1484, 1560, 1590, 1780, 1820, 1855, 1869, 2067, 2120, 2136, 2184, 2226, 2314, 2492, 2670, 2730, 2756, 2968, 3115, 3180, 3445, 3471, 3560, 3640, 3710, 3738, 4134, 4452, 4628, 4717, 4823, 4984, 5340, 5460, 5512, 5565, 5785, 6230, 6360, 6890, 6942, 7420, 7476, 8099, 8268, 8904, 9256, 9345, 9434, 9646, 10335, 10680, 10920, 11130, 11570, 12460, 13780, 13884, 14151, 14469, 14840, 14952, 16198, 16536, 17355, 18690, 18868, 19292, 20670, 22260, 23140, 23585, 24115, 24297, 24920, 27560, 27768, 28302, 28938, 32396, 33019, 34710, 37380, 37736, 38584, 40495, 41340, 44520, 46280, 47170, 48230, 48594, 56604, 57876, 61321, 64792, 66038, 69420, 70755, 72345, 74760, 80990, 82680, 94340, 96460, 97188, 99057, 113208, 115752, 121485, 122642, 132076, 138840, 141510, 144690, 161980, 165095, 183963, 188680, 192920, 194376, 198114, 242970, 245284, 264152, 283020, 289380, 306605, 323960, 330190, 367926, 396228, 429247, 485940, 490568, 495285, 566040, 578760, 613210, 660380, 735852, 792456, 858494, 919815, 971880, 990570, 1226420, 1287741, 1320760, 1471704, 1716988, 1839630, 1981140, 2146235, 2452840, 2575482, 3433976, 3679260, 3962280, 4292470, 5150964, 6438705, 7358520, 8584940, 10301928, 12877410, 17169880, 25754820, 51509640]

約数ペア:

[(1, 51509640), (2, 25754820), (3, 17169880), (4, 12877410), (5, 10301928), (6, 8584940), (7, 7358520), (8, 6438705), (10, 5150964), (12, 4292470), (13, 3962280), (14, 3679260), (15, 3433976), (20, 2575482), (21, 2452840), (24, 2146235), (26, 1981140), (28, 1839630), (30, 1716988), (35, 1471704), (39, 1320760), (40, 1287741), (42, 1226420), (52, 990570), (53, 971880), (56, 919815), (60, 858494), (65, 792456), (70, 735852), (78, 660380), (84, 613210), (89, 578760), (91, 566040), (104, 495285), (105, 490568), (106, 485940), (120, 429247), (130, 396228), (140, 367926), (156, 330190), (159, 323960), (168, 306605), (178, 289380), (182, 283020), (195, 264152), (210, 245284), (212, 242970), (260, 198114), (265, 194376), (267, 192920), (273, 188680), (280, 183963), (312, 165095), (318, 161980), (356, 144690), (364, 141510), (371, 138840), (390, 132076), (420, 122642), (424, 121485), (445, 115752), (455, 113208), (520, 99057), (530, 97188), (534, 96460), (546, 94340), (623, 82680), (636, 80990), (689, 74760), (712, 72345), (728, 70755), (742, 69420), (780, 66038), (795, 64792), (840, 61321), (890, 57876), (910, 56604), (1060, 48594), (1068, 48230), (1092, 47170), (1113, 46280), (1157, 44520), (1246, 41340), (1272, 40495), (1335, 38584), (1365, 37736), (1378, 37380), (1484, 34710), (1560, 33019), (1590, 32396), (1780, 28938), (1820, 28302), (1855, 27768), (1869, 27560), (2067, 24920), (2120, 24297), (2136, 24115), (2184, 23585), (2226, 23140), (2314, 22260), (2492, 20670), (2670, 19292), (2730, 18868), (2756, 18690), (2968, 17355), (3115, 16536), (3180, 16198), (3445, 14952), (3471, 14840), (3560, 14469), (3640, 14151), (3710, 13884), (3738, 13780), (4134, 12460), (4452, 11570), (4628, 11130), (4717, 10920), (4823, 10680), (4984, 10335), (5340, 9646), (5460, 9434), (5512, 9345), (5565, 9256), (5785, 8904), (6230, 8268), (6360, 8099), (6890, 7476), (6942, 7420)]