17880720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 160

約数和(自身を含む): 65245824

約数和(自身を除く): 47365104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 521, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1042, 1144, 1320, 1430, 1560, 1563, 1716, 2084, 2145, 2288, 2605, 2640, 2860, 3120, 3126, 3432, 4168, 4290, 5210, 5720, 5731, 6252, 6773, 6864, 7815, 8336, 8580, 10420, 11440, 11462, 12504, 13546, 15630, 17160, 17193, 20319, 20840, 22924, 25008, 27092, 28655, 31260, 33865, 34320, 34386, 40638, 41680, 45848, 54184, 57310, 62520, 67730, 68772, 74503, 81276, 85965, 91696, 101595, 108368, 114620, 125040, 135460, 137544, 149006, 162552, 171930, 203190, 223509, 229240, 270920, 275088, 298012, 325104, 343860, 372515, 406380, 447018, 458480, 541840, 596024, 687720, 745030, 812760, 894036, 1117545, 1192048, 1375440, 1490060, 1625520, 1788072, 2235090, 2980120, 3576144, 4470180, 5960240, 8940360, 17880720]

約数ペア:

[(1, 17880720), (2, 8940360), (3, 5960240), (4, 4470180), (5, 3576144), (6, 2980120), (8, 2235090), (10, 1788072), (11, 1625520), (12, 1490060), (13, 1375440), (15, 1192048), (16, 1117545), (20, 894036), (22, 812760), (24, 745030), (26, 687720), (30, 596024), (33, 541840), (39, 458480), (40, 447018), (44, 406380), (48, 372515), (52, 343860), (55, 325104), (60, 298012), (65, 275088), (66, 270920), (78, 229240), (80, 223509), (88, 203190), (104, 171930), (110, 162552), (120, 149006), (130, 137544), (132, 135460), (143, 125040), (156, 114620), (165, 108368), (176, 101595), (195, 91696), (208, 85965), (220, 81276), (240, 74503), (260, 68772), (264, 67730), (286, 62520), (312, 57310), (330, 54184), (390, 45848), (429, 41680), (440, 40638), (520, 34386), (521, 34320), (528, 33865), (572, 31260), (624, 28655), (660, 27092), (715, 25008), (780, 22924), (858, 20840), (880, 20319), (1040, 17193), (1042, 17160), (1144, 15630), (1320, 13546), (1430, 12504), (1560, 11462), (1563, 11440), (1716, 10420), (2084, 8580), (2145, 8336), (2288, 7815), (2605, 6864), (2640, 6773), (2860, 6252), (3120, 5731), (3126, 5720), (3432, 5210), (4168, 4290)]