128520240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 160

約数和(自身を含む): 420348096

約数和(自身を除く): 291827856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 41, 48, 60, 74, 80, 82, 111, 120, 123, 148, 164, 185, 205, 222, 240, 246, 296, 328, 353, 370, 410, 444, 492, 555, 592, 615, 656, 706, 740, 820, 888, 984, 1059, 1110, 1230, 1412, 1480, 1517, 1640, 1765, 1776, 1968, 2118, 2220, 2460, 2824, 2960, 3034, 3280, 3530, 4236, 4440, 4551, 4920, 5295, 5648, 6068, 7060, 7585, 8472, 8880, 9102, 9840, 10590, 12136, 13061, 14120, 14473, 15170, 16944, 18204, 21180, 22755, 24272, 26122, 28240, 28946, 30340, 36408, 39183, 42360, 43419, 45510, 52244, 57892, 60680, 65305, 72365, 72816, 78366, 84720, 86838, 91020, 104488, 115784, 121360, 130610, 144730, 156732, 173676, 182040, 195915, 208976, 217095, 231568, 261220, 289460, 313464, 347352, 364080, 391830, 434190, 522440, 535501, 578920, 626928, 694704, 783660, 868380, 1044880, 1071002, 1157840, 1567320, 1606503, 1736760, 2142004, 2677505, 3134640, 3213006, 3473520, 4284008, 5355010, 6426012, 8032515, 8568016, 10710020, 12852024, 16065030, 21420040, 25704048, 32130060, 42840080, 64260120, 128520240]

約数ペア:

[(1, 128520240), (2, 64260120), (3, 42840080), (4, 32130060), (5, 25704048), (6, 21420040), (8, 16065030), (10, 12852024), (12, 10710020), (15, 8568016), (16, 8032515), (20, 6426012), (24, 5355010), (30, 4284008), (37, 3473520), (40, 3213006), (41, 3134640), (48, 2677505), (60, 2142004), (74, 1736760), (80, 1606503), (82, 1567320), (111, 1157840), (120, 1071002), (123, 1044880), (148, 868380), (164, 783660), (185, 694704), (205, 626928), (222, 578920), (240, 535501), (246, 522440), (296, 434190), (328, 391830), (353, 364080), (370, 347352), (410, 313464), (444, 289460), (492, 261220), (555, 231568), (592, 217095), (615, 208976), (656, 195915), (706, 182040), (740, 173676), (820, 156732), (888, 144730), (984, 130610), (1059, 121360), (1110, 115784), (1230, 104488), (1412, 91020), (1480, 86838), (1517, 84720), (1640, 78366), (1765, 72816), (1776, 72365), (1968, 65305), (2118, 60680), (2220, 57892), (2460, 52244), (2824, 45510), (2960, 43419), (3034, 42360), (3280, 39183), (3530, 36408), (4236, 30340), (4440, 28946), (4551, 28240), (4920, 26122), (5295, 24272), (5648, 22755), (6068, 21180), (7060, 18204), (7585, 16944), (8472, 15170), (8880, 14473), (9102, 14120), (9840, 13061), (10590, 12136)]