51231960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 190512000

約数和(自身を除く): 139280040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 41, 45, 52, 54, 60, 65, 72, 78, 82, 89, 90, 104, 108, 117, 120, 123, 130, 135, 156, 164, 178, 180, 195, 205, 216, 234, 246, 260, 267, 270, 312, 328, 351, 356, 360, 369, 390, 410, 445, 468, 492, 520, 533, 534, 540, 585, 615, 702, 712, 738, 780, 801, 820, 890, 936, 984, 1066, 1068, 1080, 1107, 1157, 1170, 1230, 1335, 1404, 1476, 1560, 1599, 1602, 1640, 1755, 1780, 1845, 2132, 2136, 2214, 2314, 2340, 2403, 2460, 2665, 2670, 2808, 2952, 3198, 3204, 3471, 3510, 3560, 3649, 3690, 4005, 4264, 4428, 4628, 4680, 4797, 4806, 4920, 5330, 5340, 5535, 5785, 6396, 6408, 6942, 7020, 7298, 7380, 7995, 8010, 8856, 9256, 9594, 9612, 10413, 10660, 10680, 10947, 11070, 11570, 12015, 12792, 13884, 14040, 14391, 14596, 14760, 15990, 16020, 17355, 18245, 19188, 19224, 20826, 21320, 21894, 22140, 23140, 23985, 24030, 27768, 28782, 29192, 31239, 31980, 32040, 32841, 34710, 36490, 38376, 41652, 43788, 44280, 46280, 47437, 47970, 48060, 52065, 54735, 57564, 62478, 63960, 65682, 69420, 71955, 72980, 83304, 87576, 94874, 95940, 96120, 98523, 104130, 109470, 115128, 124956, 131364, 138840, 142311, 143910, 145960, 156195, 164205, 189748, 191880, 197046, 208260, 218940, 237185, 249912, 262728, 284622, 287820, 312390, 328410, 379496, 394092, 416520, 426933, 437880, 474370, 492615, 569244, 575640, 624780, 656820, 711555, 788184, 853866, 948740, 985230, 1138488, 1249560, 1280799, 1313640, 1423110, 1707732, 1897480, 1970460, 2134665, 2561598, 2846220, 3415464, 3940920, 4269330, 5123196, 5692440, 6403995, 8538660, 10246392, 12807990, 17077320, 25615980, 51231960]

約数ペア:

[(1, 51231960), (2, 25615980), (3, 17077320), (4, 12807990), (5, 10246392), (6, 8538660), (8, 6403995), (9, 5692440), (10, 5123196), (12, 4269330), (13, 3940920), (15, 3415464), (18, 2846220), (20, 2561598), (24, 2134665), (26, 1970460), (27, 1897480), (30, 1707732), (36, 1423110), (39, 1313640), (40, 1280799), (41, 1249560), (45, 1138488), (52, 985230), (54, 948740), (60, 853866), (65, 788184), (72, 711555), (78, 656820), (82, 624780), (89, 575640), (90, 569244), (104, 492615), (108, 474370), (117, 437880), (120, 426933), (123, 416520), (130, 394092), (135, 379496), (156, 328410), (164, 312390), (178, 287820), (180, 284622), (195, 262728), (205, 249912), (216, 237185), (234, 218940), (246, 208260), (260, 197046), (267, 191880), (270, 189748), (312, 164205), (328, 156195), (351, 145960), (356, 143910), (360, 142311), (369, 138840), (390, 131364), (410, 124956), (445, 115128), (468, 109470), (492, 104130), (520, 98523), (533, 96120), (534, 95940), (540, 94874), (585, 87576), (615, 83304), (702, 72980), (712, 71955), (738, 69420), (780, 65682), (801, 63960), (820, 62478), (890, 57564), (936, 54735), (984, 52065), (1066, 48060), (1068, 47970), (1080, 47437), (1107, 46280), (1157, 44280), (1170, 43788), (1230, 41652), (1335, 38376), (1404, 36490), (1476, 34710), (1560, 32841), (1599, 32040), (1602, 31980), (1640, 31239), (1755, 29192), (1780, 28782), (1845, 27768), (2132, 24030), (2136, 23985), (2214, 23140), (2314, 22140), (2340, 21894), (2403, 21320), (2460, 20826), (2665, 19224), (2670, 19188), (2808, 18245), (2952, 17355), (3198, 16020), (3204, 15990), (3471, 14760), (3510, 14596), (3560, 14391), (3649, 14040), (3690, 13884), (4005, 12792), (4264, 12015), (4428, 11570), (4628, 11070), (4680, 10947), (4797, 10680), (4806, 10660), (4920, 10413), (5330, 9612), (5340, 9594), (5535, 9256), (5785, 8856), (6396, 8010), (6408, 7995), (6942, 7380), (7020, 7298)]