72020520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1440

約数の個数: 192

約数和(自身を含む): 275184000

約数和(自身を除く): 203163480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1287, 1320, 1399, 1430, 1560, 1716, 1980, 2145, 2340, 2574, 2798, 2860, 3432, 3960, 4197, 4290, 4680, 5148, 5596, 5720, 6435, 6995, 8394, 8580, 10296, 11192, 12591, 12870, 13990, 15389, 16788, 17160, 18187, 20985, 25182, 25740, 27980, 30778, 33576, 36374, 41970, 46167, 50364, 51480, 54561, 55960, 61556, 62955, 72748, 76945, 83940, 90935, 92334, 100728, 109122, 123112, 125910, 138501, 145496, 153890, 163683, 167880, 181870, 184668, 200057, 218244, 230835, 251820, 272805, 277002, 307780, 327366, 363740, 369336, 400114, 436488, 461670, 503640, 545610, 554004, 600171, 615560, 654732, 692505, 727480, 800228, 818415, 923340, 1000285, 1091220, 1108008, 1200342, 1309464, 1385010, 1600456, 1636830, 1800513, 1846680, 2000570, 2182440, 2400684, 2770020, 3000855, 3273660, 3601026, 4001140, 4801368, 5540040, 6001710, 6547320, 7202052, 8002280, 9002565, 12003420, 14404104, 18005130, 24006840, 36010260, 72020520]

約数ペア:

[(1, 72020520), (2, 36010260), (3, 24006840), (4, 18005130), (5, 14404104), (6, 12003420), (8, 9002565), (9, 8002280), (10, 7202052), (11, 6547320), (12, 6001710), (13, 5540040), (15, 4801368), (18, 4001140), (20, 3601026), (22, 3273660), (24, 3000855), (26, 2770020), (30, 2400684), (33, 2182440), (36, 2000570), (39, 1846680), (40, 1800513), (44, 1636830), (45, 1600456), (52, 1385010), (55, 1309464), (60, 1200342), (65, 1108008), (66, 1091220), (72, 1000285), (78, 923340), (88, 818415), (90, 800228), (99, 727480), (104, 692505), (110, 654732), (117, 615560), (120, 600171), (130, 554004), (132, 545610), (143, 503640), (156, 461670), (165, 436488), (180, 400114), (195, 369336), (198, 363740), (220, 327366), (234, 307780), (260, 277002), (264, 272805), (286, 251820), (312, 230835), (330, 218244), (360, 200057), (390, 184668), (396, 181870), (429, 167880), (440, 163683), (468, 153890), (495, 145496), (520, 138501), (572, 125910), (585, 123112), (660, 109122), (715, 100728), (780, 92334), (792, 90935), (858, 83940), (936, 76945), (990, 72748), (1144, 62955), (1170, 61556), (1287, 55960), (1320, 54561), (1399, 51480), (1430, 50364), (1560, 46167), (1716, 41970), (1980, 36374), (2145, 33576), (2340, 30778), (2574, 27980), (2798, 25740), (2860, 25182), (3432, 20985), (3960, 18187), (4197, 17160), (4290, 16788), (4680, 15389), (5148, 13990), (5596, 12870), (5720, 12591), (6435, 11192), (6995, 10296), (8394, 8580)]