61787440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 170395344

約数和(自身を除く): 108607904

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 491, 520, 572, 605, 715, 880, 968, 982, 1040, 1144, 1210, 1430, 1573, 1936, 1964, 2288, 2420, 2455, 2860, 3146, 3928, 4840, 4910, 5401, 5720, 6292, 6383, 7856, 7865, 9680, 9820, 10802, 11440, 12584, 12766, 15730, 19640, 21604, 25168, 25532, 27005, 31460, 31915, 39280, 43208, 51064, 54010, 59411, 62920, 63830, 70213, 86416, 102128, 108020, 118822, 125840, 127660, 140426, 216040, 237644, 255320, 280852, 297055, 351065, 432080, 475288, 510640, 561704, 594110, 702130, 772343, 950576, 1123408, 1188220, 1404260, 1544686, 2376440, 2808520, 3089372, 3861715, 4752880, 5617040, 6178744, 7723430, 12357488, 15446860, 30893720, 61787440]

約数ペア:

[(1, 61787440), (2, 30893720), (4, 15446860), (5, 12357488), (8, 7723430), (10, 6178744), (11, 5617040), (13, 4752880), (16, 3861715), (20, 3089372), (22, 2808520), (26, 2376440), (40, 1544686), (44, 1404260), (52, 1188220), (55, 1123408), (65, 950576), (80, 772343), (88, 702130), (104, 594110), (110, 561704), (121, 510640), (130, 475288), (143, 432080), (176, 351065), (208, 297055), (220, 280852), (242, 255320), (260, 237644), (286, 216040), (440, 140426), (484, 127660), (491, 125840), (520, 118822), (572, 108020), (605, 102128), (715, 86416), (880, 70213), (968, 63830), (982, 62920), (1040, 59411), (1144, 54010), (1210, 51064), (1430, 43208), (1573, 39280), (1936, 31915), (1964, 31460), (2288, 27005), (2420, 25532), (2455, 25168), (2860, 21604), (3146, 19640), (3928, 15730), (4840, 12766), (4910, 12584), (5401, 11440), (5720, 10802), (6292, 9820), (6383, 9680), (7856, 7865)]