90195560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 254016000

約数和(自身を除く): 163820440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 349, 355, 364, 455, 497, 520, 568, 698, 710, 728, 910, 923, 994, 1396, 1420, 1745, 1820, 1846, 1988, 2443, 2485, 2792, 2840, 3490, 3640, 3692, 3976, 4537, 4615, 4886, 4970, 6461, 6980, 7384, 9074, 9230, 9772, 9940, 12215, 12922, 13960, 18148, 18460, 19544, 19880, 22685, 24430, 24779, 25844, 31759, 32305, 36296, 36920, 45370, 48860, 49558, 51688, 63518, 64610, 90740, 97720, 99116, 123895, 127036, 129220, 158795, 173453, 181480, 198232, 247790, 254072, 258440, 317590, 322127, 346906, 495580, 635180, 644254, 693812, 867265, 991160, 1270360, 1288508, 1387624, 1610635, 1734530, 2254889, 2577016, 3221270, 3469060, 4509778, 6442540, 6938120, 9019556, 11274445, 12885080, 18039112, 22548890, 45097780, 90195560]

約数ペア:

[(1, 90195560), (2, 45097780), (4, 22548890), (5, 18039112), (7, 12885080), (8, 11274445), (10, 9019556), (13, 6938120), (14, 6442540), (20, 4509778), (26, 3469060), (28, 3221270), (35, 2577016), (40, 2254889), (52, 1734530), (56, 1610635), (65, 1387624), (70, 1288508), (71, 1270360), (91, 991160), (104, 867265), (130, 693812), (140, 644254), (142, 635180), (182, 495580), (260, 346906), (280, 322127), (284, 317590), (349, 258440), (355, 254072), (364, 247790), (455, 198232), (497, 181480), (520, 173453), (568, 158795), (698, 129220), (710, 127036), (728, 123895), (910, 99116), (923, 97720), (994, 90740), (1396, 64610), (1420, 63518), (1745, 51688), (1820, 49558), (1846, 48860), (1988, 45370), (2443, 36920), (2485, 36296), (2792, 32305), (2840, 31759), (3490, 25844), (3640, 24779), (3692, 24430), (3976, 22685), (4537, 19880), (4615, 19544), (4886, 18460), (4970, 18148), (6461, 13960), (6980, 12922), (7384, 12215), (9074, 9940), (9230, 9772)]