171721680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2393}}^1$

素因数の和:2445

約数の個数: 160

約数和(自身を含む): 598461696

約数和(自身を除く): 426740016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2393, 2760, 2990, 3120, 3588, 4485, 4784, 4786, 5520, 5980, 7176, 7179, 8970, 9572, 11960, 11965, 14352, 14358, 17940, 19144, 23920, 23930, 28716, 31109, 35880, 35895, 38288, 47860, 55039, 57432, 62218, 71760, 71790, 93327, 95720, 110078, 114864, 124436, 143580, 155545, 165117, 186654, 191440, 220156, 248872, 275195, 287160, 311090, 330234, 373308, 440312, 466635, 497744, 550390, 574320, 622180, 660468, 715507, 746616, 825585, 880624, 933270, 1100780, 1244360, 1320936, 1431014, 1493232, 1651170, 1866540, 2146521, 2201560, 2488720, 2641872, 2862028, 3302340, 3577535, 3733080, 4293042, 4403120, 5724056, 6604680, 7155070, 7466160, 8586084, 10732605, 11448112, 13209360, 14310140, 17172168, 21465210, 28620280, 34344336, 42930420, 57240560, 85860840, 171721680]

約数ペア:

[(1, 171721680), (2, 85860840), (3, 57240560), (4, 42930420), (5, 34344336), (6, 28620280), (8, 21465210), (10, 17172168), (12, 14310140), (13, 13209360), (15, 11448112), (16, 10732605), (20, 8586084), (23, 7466160), (24, 7155070), (26, 6604680), (30, 5724056), (39, 4403120), (40, 4293042), (46, 3733080), (48, 3577535), (52, 3302340), (60, 2862028), (65, 2641872), (69, 2488720), (78, 2201560), (80, 2146521), (92, 1866540), (104, 1651170), (115, 1493232), (120, 1431014), (130, 1320936), (138, 1244360), (156, 1100780), (184, 933270), (195, 880624), (208, 825585), (230, 746616), (240, 715507), (260, 660468), (276, 622180), (299, 574320), (312, 550390), (345, 497744), (368, 466635), (390, 440312), (460, 373308), (520, 330234), (552, 311090), (598, 287160), (624, 275195), (690, 248872), (780, 220156), (897, 191440), (920, 186654), (1040, 165117), (1104, 155545), (1196, 143580), (1380, 124436), (1495, 114864), (1560, 110078), (1794, 95720), (1840, 93327), (2392, 71790), (2393, 71760), (2760, 62218), (2990, 57432), (3120, 55039), (3588, 47860), (4485, 38288), (4784, 35895), (4786, 35880), (5520, 31109), (5980, 28716), (7176, 23930), (7179, 23920), (8970, 19144), (9572, 17940), (11960, 14358), (11965, 14352)]