661007664

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1427

約数の個数: 120

約数和(自身を含む): 1920988160

約数和(自身を除く): 1259980496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 97, 111, 144, 148, 194, 222, 291, 296, 333, 388, 444, 582, 592, 666, 776, 873, 888, 1164, 1279, 1332, 1552, 1746, 1776, 2328, 2558, 2664, 3492, 3589, 3837, 4656, 5116, 5328, 6984, 7178, 7674, 10232, 10767, 11511, 13968, 14356, 15348, 20464, 21534, 23022, 28712, 30696, 32301, 43068, 46044, 47323, 57424, 61392, 64602, 86136, 92088, 94646, 124063, 129204, 141969, 172272, 184176, 189292, 248126, 258408, 283938, 372189, 378584, 425907, 496252, 516816, 567876, 744378, 757168, 851814, 992504, 1116567, 1135752, 1488756, 1703628, 1985008, 2233134, 2271504, 2977512, 3407256, 4466268, 4590331, 5955024, 6814512, 8932536, 9180662, 13770993, 17865072, 18361324, 27541986, 36722648, 41312979, 55083972, 73445296, 82625958, 110167944, 165251916, 220335888, 330503832, 661007664]

約数ペア:

[(1, 661007664), (2, 330503832), (3, 220335888), (4, 165251916), (6, 110167944), (8, 82625958), (9, 73445296), (12, 55083972), (16, 41312979), (18, 36722648), (24, 27541986), (36, 18361324), (37, 17865072), (48, 13770993), (72, 9180662), (74, 8932536), (97, 6814512), (111, 5955024), (144, 4590331), (148, 4466268), (194, 3407256), (222, 2977512), (291, 2271504), (296, 2233134), (333, 1985008), (388, 1703628), (444, 1488756), (582, 1135752), (592, 1116567), (666, 992504), (776, 851814), (873, 757168), (888, 744378), (1164, 567876), (1279, 516816), (1332, 496252), (1552, 425907), (1746, 378584), (1776, 372189), (2328, 283938), (2558, 258408), (2664, 248126), (3492, 189292), (3589, 184176), (3837, 172272), (4656, 141969), (5116, 129204), (5328, 124063), (6984, 94646), (7178, 92088), (7674, 86136), (10232, 64602), (10767, 61392), (11511, 57424), (13968, 47323), (14356, 46044), (15348, 43068), (20464, 32301), (21534, 30696), (23022, 28712)]