1311139320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 3993675840

約数和(自身を除く): 2682536520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 173, 274, 346, 411, 461, 519, 548, 685, 692, 822, 865, 922, 1038, 1096, 1370, 1383, 1384, 1644, 1730, 1844, 2055, 2076, 2305, 2595, 2740, 2766, 3288, 3460, 3688, 4110, 4152, 4610, 5190, 5480, 5532, 6915, 6920, 8220, 9220, 10380, 11064, 13830, 16440, 18440, 20760, 23701, 27660, 47402, 55320, 63157, 71103, 79753, 94804, 118505, 126314, 142206, 159506, 189471, 189608, 237010, 239259, 252628, 284412, 315785, 319012, 355515, 378942, 398765, 474020, 478518, 505256, 568824, 631570, 638024, 711030, 757884, 797530, 947355, 948040, 957036, 1196295, 1263140, 1422060, 1515768, 1595060, 1894710, 1914072, 2392590, 2526280, 2844120, 3190120, 3789420, 4785180, 7578840, 9570360, 10926161, 21852322, 32778483, 43704644, 54630805, 65556966, 87409288, 109261610, 131113932, 163892415, 218523220, 262227864, 327784830, 437046440, 655569660, 1311139320]

約数ペア:

[(1, 1311139320), (2, 655569660), (3, 437046440), (4, 327784830), (5, 262227864), (6, 218523220), (8, 163892415), (10, 131113932), (12, 109261610), (15, 87409288), (20, 65556966), (24, 54630805), (30, 43704644), (40, 32778483), (60, 21852322), (120, 10926161), (137, 9570360), (173, 7578840), (274, 4785180), (346, 3789420), (411, 3190120), (461, 2844120), (519, 2526280), (548, 2392590), (685, 1914072), (692, 1894710), (822, 1595060), (865, 1515768), (922, 1422060), (1038, 1263140), (1096, 1196295), (1370, 957036), (1383, 948040), (1384, 947355), (1644, 797530), (1730, 757884), (1844, 711030), (2055, 638024), (2076, 631570), (2305, 568824), (2595, 505256), (2740, 478518), (2766, 474020), (3288, 398765), (3460, 378942), (3688, 355515), (4110, 319012), (4152, 315785), (4610, 284412), (5190, 252628), (5480, 239259), (5532, 237010), (6915, 189608), (6920, 189471), (8220, 159506), (9220, 142206), (10380, 126314), (11064, 118505), (13830, 94804), (16440, 79753), (18440, 71103), (20760, 63157), (23701, 55320), (27660, 47402)]