81804528

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:607

約数の個数: 120

約数和(自身を含む): 249827760

約数和(自身を除く): 168023232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 89, 104, 117, 144, 156, 178, 208, 234, 267, 312, 356, 468, 491, 534, 624, 712, 801, 936, 982, 1068, 1157, 1424, 1473, 1602, 1872, 1964, 2136, 2314, 2946, 3204, 3471, 3928, 4272, 4419, 4628, 5892, 6383, 6408, 6942, 7856, 8838, 9256, 10413, 11784, 12766, 12816, 13884, 17676, 18512, 19149, 20826, 23568, 25532, 27768, 35352, 38298, 41652, 43699, 51064, 55536, 57447, 70704, 76596, 83304, 87398, 102128, 114894, 131097, 153192, 166608, 174796, 229788, 262194, 306384, 349592, 393291, 459576, 524388, 568087, 699184, 786582, 919152, 1048776, 1136174, 1573164, 1704261, 2097552, 2272348, 3146328, 3408522, 4544696, 5112783, 6292656, 6817044, 9089392, 10225566, 13634088, 20451132, 27268176, 40902264, 81804528]

約数ペア:

[(1, 81804528), (2, 40902264), (3, 27268176), (4, 20451132), (6, 13634088), (8, 10225566), (9, 9089392), (12, 6817044), (13, 6292656), (16, 5112783), (18, 4544696), (24, 3408522), (26, 3146328), (36, 2272348), (39, 2097552), (48, 1704261), (52, 1573164), (72, 1136174), (78, 1048776), (89, 919152), (104, 786582), (117, 699184), (144, 568087), (156, 524388), (178, 459576), (208, 393291), (234, 349592), (267, 306384), (312, 262194), (356, 229788), (468, 174796), (491, 166608), (534, 153192), (624, 131097), (712, 114894), (801, 102128), (936, 87398), (982, 83304), (1068, 76596), (1157, 70704), (1424, 57447), (1473, 55536), (1602, 51064), (1872, 43699), (1964, 41652), (2136, 38298), (2314, 35352), (2946, 27768), (3204, 25532), (3471, 23568), (3928, 20826), (4272, 19149), (4419, 18512), (4628, 17676), (5892, 13884), (6383, 12816), (6408, 12766), (6942, 11784), (7856, 10413), (8838, 9256)]