81644328

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 238464000

約数和(自身を除く): 156819672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 89, 93, 108, 124, 137, 178, 186, 216, 248, 267, 274, 279, 356, 372, 411, 534, 548, 558, 712, 744, 801, 822, 837, 1068, 1096, 1116, 1233, 1602, 1644, 1674, 2136, 2232, 2403, 2466, 2759, 3204, 3288, 3348, 3699, 4247, 4806, 4932, 5518, 6408, 6696, 7398, 8277, 8494, 9612, 9864, 11036, 12193, 12741, 14796, 16554, 16988, 19224, 22072, 24386, 24831, 25482, 29592, 33108, 33976, 36579, 38223, 48772, 49662, 50964, 66216, 73158, 74493, 76446, 97544, 99324, 101928, 109737, 114669, 146316, 148986, 152892, 198648, 219474, 229338, 292632, 297972, 305784, 329211, 377983, 438948, 458676, 595944, 658422, 755966, 877896, 917352, 1133949, 1316844, 1511932, 2267898, 2633688, 3023864, 3401847, 4535796, 6803694, 9071592, 10205541, 13607388, 20411082, 27214776, 40822164, 81644328]

約数ペア:

[(1, 81644328), (2, 40822164), (3, 27214776), (4, 20411082), (6, 13607388), (8, 10205541), (9, 9071592), (12, 6803694), (18, 4535796), (24, 3401847), (27, 3023864), (31, 2633688), (36, 2267898), (54, 1511932), (62, 1316844), (72, 1133949), (89, 917352), (93, 877896), (108, 755966), (124, 658422), (137, 595944), (178, 458676), (186, 438948), (216, 377983), (248, 329211), (267, 305784), (274, 297972), (279, 292632), (356, 229338), (372, 219474), (411, 198648), (534, 152892), (548, 148986), (558, 146316), (712, 114669), (744, 109737), (801, 101928), (822, 99324), (837, 97544), (1068, 76446), (1096, 74493), (1116, 73158), (1233, 66216), (1602, 50964), (1644, 49662), (1674, 48772), (2136, 38223), (2232, 36579), (2403, 33976), (2466, 33108), (2759, 29592), (3204, 25482), (3288, 24831), (3348, 24386), (3699, 22072), (4247, 19224), (4806, 16988), (4932, 16554), (5518, 14796), (6408, 12741), (6696, 12193), (7398, 11036), (8277, 9864), (8494, 9612)]