161278128

素因数分解:

$2^4\times 3^7\times {\mathrm{11}}^1\times {\mathrm{419}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 512467200

約数和(自身を除く): 351189072

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 419, 432, 486, 528, 594, 648, 729, 792, 838, 891, 972, 1188, 1257, 1296, 1458, 1584, 1676, 1782, 1944, 2187, 2376, 2514, 2673, 2916, 3352, 3564, 3771, 3888, 4374, 4609, 4752, 5028, 5346, 5832, 6704, 7128, 7542, 8019, 8748, 9218, 10056, 10692, 11313, 11664, 13827, 14256, 15084, 16038, 17496, 18436, 20112, 21384, 22626, 24057, 27654, 30168, 32076, 33939, 34992, 36872, 41481, 42768, 45252, 48114, 55308, 60336, 64152, 67878, 73744, 82962, 90504, 96228, 101817, 110616, 124443, 128304, 135756, 165924, 181008, 192456, 203634, 221232, 248886, 271512, 305451, 331848, 373329, 384912, 407268, 497772, 543024, 610902, 663696, 746658, 814536, 916353, 995544, 1119987, 1221804, 1493316, 1629072, 1832706, 1991088, 2239974, 2443608, 2986632, 3359961, 3665412, 4479948, 4887216, 5973264, 6719922, 7330824, 8959896, 10079883, 13439844, 14661648, 17919792, 20159766, 26879688, 40319532, 53759376, 80639064, 161278128]

約数ペア:

[(1, 161278128), (2, 80639064), (3, 53759376), (4, 40319532), (6, 26879688), (8, 20159766), (9, 17919792), (11, 14661648), (12, 13439844), (16, 10079883), (18, 8959896), (22, 7330824), (24, 6719922), (27, 5973264), (33, 4887216), (36, 4479948), (44, 3665412), (48, 3359961), (54, 2986632), (66, 2443608), (72, 2239974), (81, 1991088), (88, 1832706), (99, 1629072), (108, 1493316), (132, 1221804), (144, 1119987), (162, 995544), (176, 916353), (198, 814536), (216, 746658), (243, 663696), (264, 610902), (297, 543024), (324, 497772), (396, 407268), (419, 384912), (432, 373329), (486, 331848), (528, 305451), (594, 271512), (648, 248886), (729, 221232), (792, 203634), (838, 192456), (891, 181008), (972, 165924), (1188, 135756), (1257, 128304), (1296, 124443), (1458, 110616), (1584, 101817), (1676, 96228), (1782, 90504), (1944, 82962), (2187, 73744), (2376, 67878), (2514, 64152), (2673, 60336), (2916, 55308), (3352, 48114), (3564, 45252), (3771, 42768), (3888, 41481), (4374, 36872), (4609, 34992), (4752, 33939), (5028, 32076), (5346, 30168), (5832, 27654), (6704, 24057), (7128, 22626), (7542, 21384), (8019, 20112), (8748, 18436), (9218, 17496), (10056, 16038), (10692, 15084), (11313, 14256), (11664, 13827)]