80211120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1371

約数の個数: 160

約数和(自身を含む): 283267584

約数和(自身を除く): 203056464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 345, 368, 440, 460, 506, 528, 552, 660, 690, 759, 880, 920, 1012, 1104, 1265, 1320, 1321, 1380, 1518, 1840, 2024, 2530, 2640, 2642, 2760, 3036, 3795, 3963, 4048, 5060, 5284, 5520, 6072, 6605, 7590, 7926, 10120, 10568, 12144, 13210, 14531, 15180, 15852, 19815, 20240, 21136, 26420, 29062, 30360, 30383, 31704, 39630, 43593, 52840, 58124, 60720, 60766, 63408, 72655, 79260, 87186, 91149, 105680, 116248, 121532, 145310, 151915, 158520, 174372, 182298, 217965, 232496, 243064, 290620, 303830, 317040, 334213, 348744, 364596, 435930, 455745, 486128, 581240, 607660, 668426, 697488, 729192, 871860, 911490, 1002639, 1162480, 1215320, 1336852, 1458384, 1671065, 1743720, 1822980, 2005278, 2430640, 2673704, 3342130, 3487440, 3645960, 4010556, 5013195, 5347408, 6684260, 7291920, 8021112, 10026390, 13368520, 16042224, 20052780, 26737040, 40105560, 80211120]

約数ペア:

[(1, 80211120), (2, 40105560), (3, 26737040), (4, 20052780), (5, 16042224), (6, 13368520), (8, 10026390), (10, 8021112), (11, 7291920), (12, 6684260), (15, 5347408), (16, 5013195), (20, 4010556), (22, 3645960), (23, 3487440), (24, 3342130), (30, 2673704), (33, 2430640), (40, 2005278), (44, 1822980), (46, 1743720), (48, 1671065), (55, 1458384), (60, 1336852), (66, 1215320), (69, 1162480), (80, 1002639), (88, 911490), (92, 871860), (110, 729192), (115, 697488), (120, 668426), (132, 607660), (138, 581240), (165, 486128), (176, 455745), (184, 435930), (220, 364596), (230, 348744), (240, 334213), (253, 317040), (264, 303830), (276, 290620), (330, 243064), (345, 232496), (368, 217965), (440, 182298), (460, 174372), (506, 158520), (528, 151915), (552, 145310), (660, 121532), (690, 116248), (759, 105680), (880, 91149), (920, 87186), (1012, 79260), (1104, 72655), (1265, 63408), (1320, 60766), (1321, 60720), (1380, 58124), (1518, 52840), (1840, 43593), (2024, 39630), (2530, 31704), (2640, 30383), (2642, 30360), (2760, 29062), (3036, 26420), (3795, 21136), (3963, 20240), (4048, 19815), (5060, 15852), (5284, 15180), (5520, 14531), (6072, 13210), (6605, 12144), (7590, 10568), (7926, 10120)]