320762880

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{6961}}^1$

素因数の和:6992

約数の個数: 132

約数和(自身を含む): 1111594692

約数和(自身を除く): 790831812

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6961, 7680, 9216, 11520, 13922, 15360, 20883, 23040, 27844, 34805, 41766, 46080, 55688, 62649, 69610, 83532, 104415, 111376, 125298, 139220, 167064, 208830, 222752, 250596, 278440, 313245, 334128, 417660, 445504, 501192, 556880, 626490, 668256, 835320, 891008, 1002384, 1113760, 1252980, 1336512, 1670640, 1782016, 2004768, 2227520, 2505960, 2673024, 3341280, 3564032, 4009536, 4455040, 5011920, 5346048, 6682560, 7128064, 8019072, 8910080, 10023840, 10692096, 13365120, 16038144, 17820160, 20047680, 21384192, 26730240, 32076288, 35640320, 40095360, 53460480, 64152576, 80190720, 106920960, 160381440, 320762880]

約数ペア:

[(1, 320762880), (2, 160381440), (3, 106920960), (4, 80190720), (5, 64152576), (6, 53460480), (8, 40095360), (9, 35640320), (10, 32076288), (12, 26730240), (15, 21384192), (16, 20047680), (18, 17820160), (20, 16038144), (24, 13365120), (30, 10692096), (32, 10023840), (36, 8910080), (40, 8019072), (45, 7128064), (48, 6682560), (60, 5346048), (64, 5011920), (72, 4455040), (80, 4009536), (90, 3564032), (96, 3341280), (120, 2673024), (128, 2505960), (144, 2227520), (160, 2004768), (180, 1782016), (192, 1670640), (240, 1336512), (256, 1252980), (288, 1113760), (320, 1002384), (360, 891008), (384, 835320), (480, 668256), (512, 626490), (576, 556880), (640, 501192), (720, 445504), (768, 417660), (960, 334128), (1024, 313245), (1152, 278440), (1280, 250596), (1440, 222752), (1536, 208830), (1920, 167064), (2304, 139220), (2560, 125298), (2880, 111376), (3072, 104415), (3840, 83532), (4608, 69610), (5120, 62649), (5760, 55688), (6961, 46080), (7680, 41766), (9216, 34805), (11520, 27844), (13922, 23040), (15360, 20883)]