51131760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 169274880

約数和(自身を除く): 118143120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 59, 60, 69, 80, 92, 115, 118, 120, 138, 157, 177, 184, 230, 236, 240, 276, 295, 314, 345, 354, 368, 460, 471, 472, 552, 590, 628, 690, 708, 785, 885, 920, 942, 944, 1104, 1180, 1256, 1357, 1380, 1416, 1570, 1770, 1840, 1884, 2355, 2360, 2512, 2714, 2760, 2832, 3140, 3540, 3611, 3768, 4071, 4710, 4720, 5428, 5520, 6280, 6785, 7080, 7222, 7536, 8142, 9263, 9420, 10833, 10856, 12560, 13570, 14160, 14444, 16284, 18055, 18526, 18840, 20355, 21666, 21712, 27140, 27789, 28888, 32568, 36110, 37052, 37680, 40710, 43332, 46315, 54165, 54280, 55578, 57776, 65136, 72220, 74104, 81420, 86664, 92630, 108330, 108560, 111156, 138945, 144440, 148208, 162840, 173328, 185260, 213049, 216660, 222312, 277890, 288880, 325680, 370520, 426098, 433320, 444624, 555780, 639147, 741040, 852196, 866640, 1065245, 1111560, 1278294, 1704392, 2130490, 2223120, 2556588, 3195735, 3408784, 4260980, 5113176, 6391470, 8521960, 10226352, 12782940, 17043920, 25565880, 51131760]

約数ペア:

[(1, 51131760), (2, 25565880), (3, 17043920), (4, 12782940), (5, 10226352), (6, 8521960), (8, 6391470), (10, 5113176), (12, 4260980), (15, 3408784), (16, 3195735), (20, 2556588), (23, 2223120), (24, 2130490), (30, 1704392), (40, 1278294), (46, 1111560), (48, 1065245), (59, 866640), (60, 852196), (69, 741040), (80, 639147), (92, 555780), (115, 444624), (118, 433320), (120, 426098), (138, 370520), (157, 325680), (177, 288880), (184, 277890), (230, 222312), (236, 216660), (240, 213049), (276, 185260), (295, 173328), (314, 162840), (345, 148208), (354, 144440), (368, 138945), (460, 111156), (471, 108560), (472, 108330), (552, 92630), (590, 86664), (628, 81420), (690, 74104), (708, 72220), (785, 65136), (885, 57776), (920, 55578), (942, 54280), (944, 54165), (1104, 46315), (1180, 43332), (1256, 40710), (1357, 37680), (1380, 37052), (1416, 36110), (1570, 32568), (1770, 28888), (1840, 27789), (1884, 27140), (2355, 21712), (2360, 21666), (2512, 20355), (2714, 18840), (2760, 18526), (2832, 18055), (3140, 16284), (3540, 14444), (3611, 14160), (3768, 13570), (4071, 12560), (4710, 10856), (4720, 10833), (5428, 9420), (5520, 9263), (6280, 8142), (6785, 7536), (7080, 7222)]