1981867920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{5531}}^1$

素因数の和:7040

約数の個数: 80

約数和(自身を含む): 6149017152

約数和(自身を除く): 4167149232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1493, 2986, 4479, 5531, 5972, 7465, 8958, 11062, 11944, 14930, 16593, 17916, 22124, 22395, 23888, 27655, 29860, 33186, 35832, 44248, 44790, 55310, 59720, 66372, 71664, 82965, 88496, 89580, 110620, 119440, 132744, 165930, 179160, 221240, 265488, 331860, 358320, 442480, 663720, 1327440, 8257783, 16515566, 24773349, 33031132, 41288915, 49546698, 66062264, 82577830, 99093396, 123866745, 132124528, 165155660, 198186792, 247733490, 330311320, 396373584, 495466980, 660622640, 990933960, 1981867920]

約数ペア:

[(1, 1981867920), (2, 990933960), (3, 660622640), (4, 495466980), (5, 396373584), (6, 330311320), (8, 247733490), (10, 198186792), (12, 165155660), (15, 132124528), (16, 123866745), (20, 99093396), (24, 82577830), (30, 66062264), (40, 49546698), (48, 41288915), (60, 33031132), (80, 24773349), (120, 16515566), (240, 8257783), (1493, 1327440), (2986, 663720), (4479, 442480), (5531, 358320), (5972, 331860), (7465, 265488), (8958, 221240), (11062, 179160), (11944, 165930), (14930, 132744), (16593, 119440), (17916, 110620), (22124, 89580), (22395, 88496), (23888, 82965), (27655, 71664), (29860, 66372), (33186, 59720), (35832, 55310), (44248, 44790)]