80190720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{6961}}^1$

素因数の和:6988

約数の個数: 108

約数和(自身を含む): 277491396

約数和(自身を除く): 197300676

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 6961, 11520, 13922, 20883, 27844, 34805, 41766, 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, 4009536, 4455040, 5011920, 5346048, 6682560, 8019072, 8910080, 10023840, 13365120, 16038144, 20047680, 26730240, 40095360, 80190720]

約数ペア:

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