51418920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1555

約数の個数: 128

約数和(自身を含む): 180714240

約数和(自身を除く): 129295320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1493, 1640, 1722, 2296, 2460, 2870, 2986, 3444, 4305, 4479, 4920, 5740, 5972, 6888, 7465, 8610, 8958, 10451, 11480, 11944, 14930, 17220, 17916, 20902, 22395, 29860, 31353, 34440, 35832, 41804, 44790, 52255, 59720, 61213, 62706, 83608, 89580, 104510, 122426, 125412, 156765, 179160, 183639, 209020, 244852, 250824, 306065, 313530, 367278, 418040, 428491, 489704, 612130, 627060, 734556, 856982, 918195, 1224260, 1254120, 1285473, 1469112, 1713964, 1836390, 2142455, 2448520, 2570946, 3427928, 3672780, 4284910, 5141892, 6427365, 7345560, 8569820, 10283784, 12854730, 17139640, 25709460, 51418920]

約数ペア:

[(1, 51418920), (2, 25709460), (3, 17139640), (4, 12854730), (5, 10283784), (6, 8569820), (7, 7345560), (8, 6427365), (10, 5141892), (12, 4284910), (14, 3672780), (15, 3427928), (20, 2570946), (21, 2448520), (24, 2142455), (28, 1836390), (30, 1713964), (35, 1469112), (40, 1285473), (41, 1254120), (42, 1224260), (56, 918195), (60, 856982), (70, 734556), (82, 627060), (84, 612130), (105, 489704), (120, 428491), (123, 418040), (140, 367278), (164, 313530), (168, 306065), (205, 250824), (210, 244852), (246, 209020), (280, 183639), (287, 179160), (328, 156765), (410, 125412), (420, 122426), (492, 104510), (574, 89580), (615, 83608), (820, 62706), (840, 61213), (861, 59720), (984, 52255), (1148, 44790), (1230, 41804), (1435, 35832), (1493, 34440), (1640, 31353), (1722, 29860), (2296, 22395), (2460, 20902), (2870, 17916), (2986, 17220), (3444, 14930), (4305, 11944), (4479, 11480), (4920, 10451), (5740, 8958), (5972, 8610), (6888, 7465)]