79771120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 229985280

約数和(自身を除く): 150214160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 190, 208, 209, 220, 247, 260, 286, 304, 367, 380, 418, 440, 494, 520, 572, 715, 734, 760, 836, 880, 988, 1040, 1045, 1144, 1235, 1430, 1468, 1520, 1672, 1835, 1976, 2090, 2288, 2470, 2717, 2860, 2936, 3344, 3670, 3952, 4037, 4180, 4771, 4940, 5434, 5720, 5872, 6973, 7340, 8074, 8360, 9542, 9880, 10868, 11440, 13585, 13946, 14680, 16148, 16720, 19084, 19760, 20185, 21736, 23855, 27170, 27892, 29360, 32296, 34865, 38168, 40370, 43472, 47710, 52481, 54340, 55784, 64592, 69730, 76336, 76703, 80740, 90649, 95420, 104962, 108680, 111568, 139460, 153406, 161480, 181298, 190840, 209924, 217360, 262405, 278920, 306812, 322960, 362596, 381680, 383515, 419848, 453245, 524810, 557840, 613624, 725192, 767030, 839696, 906490, 997139, 1049620, 1227248, 1450384, 1534060, 1812980, 1994278, 2099240, 3068120, 3625960, 3988556, 4198480, 4985695, 6136240, 7251920, 7977112, 9971390, 15954224, 19942780, 39885560, 79771120]

約数ペア:

[(1, 79771120), (2, 39885560), (4, 19942780), (5, 15954224), (8, 9971390), (10, 7977112), (11, 7251920), (13, 6136240), (16, 4985695), (19, 4198480), (20, 3988556), (22, 3625960), (26, 3068120), (38, 2099240), (40, 1994278), (44, 1812980), (52, 1534060), (55, 1450384), (65, 1227248), (76, 1049620), (80, 997139), (88, 906490), (95, 839696), (104, 767030), (110, 725192), (130, 613624), (143, 557840), (152, 524810), (176, 453245), (190, 419848), (208, 383515), (209, 381680), (220, 362596), (247, 322960), (260, 306812), (286, 278920), (304, 262405), (367, 217360), (380, 209924), (418, 190840), (440, 181298), (494, 161480), (520, 153406), (572, 139460), (715, 111568), (734, 108680), (760, 104962), (836, 95420), (880, 90649), (988, 80740), (1040, 76703), (1045, 76336), (1144, 69730), (1235, 64592), (1430, 55784), (1468, 54340), (1520, 52481), (1672, 47710), (1835, 43472), (1976, 40370), (2090, 38168), (2288, 34865), (2470, 32296), (2717, 29360), (2860, 27892), (2936, 27170), (3344, 23855), (3670, 21736), (3952, 20185), (4037, 19760), (4180, 19084), (4771, 16720), (4940, 16148), (5434, 14680), (5720, 13946), (5872, 13585), (6973, 11440), (7340, 10868), (8074, 9880), (8360, 9542)]