2000489520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{268883}}^1$

素因数の和:268930

約数の個数: 80

約数和(自身を含む): 6401590272

約数和(自身を除く): 4401100752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 268883, 537766, 806649, 1075532, 1344415, 1613298, 2151064, 2688830, 3226596, 4033245, 4302128, 5377660, 6453192, 8066490, 8335373, 10755320, 12906384, 16132980, 16670746, 21510640, 25006119, 32265960, 33341492, 41676865, 50012238, 64531920, 66682984, 83353730, 100024476, 125030595, 133365968, 166707460, 200048952, 250061190, 333414920, 400097904, 500122380, 666829840, 1000244760, 2000489520]

約数ペア:

[(1, 2000489520), (2, 1000244760), (3, 666829840), (4, 500122380), (5, 400097904), (6, 333414920), (8, 250061190), (10, 200048952), (12, 166707460), (15, 133365968), (16, 125030595), (20, 100024476), (24, 83353730), (30, 66682984), (31, 64531920), (40, 50012238), (48, 41676865), (60, 33341492), (62, 32265960), (80, 25006119), (93, 21510640), (120, 16670746), (124, 16132980), (155, 12906384), (186, 10755320), (240, 8335373), (248, 8066490), (310, 6453192), (372, 5377660), (465, 4302128), (496, 4033245), (620, 3226596), (744, 2688830), (930, 2151064), (1240, 1613298), (1488, 1344415), (1860, 1075532), (2480, 806649), (3720, 537766), (7440, 268883)]