197111520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{136883}}^1$

素因数の和:136904

約数の個数: 72

約数和(自身を含む): 672647976

約数和(自身を除く): 475536456

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 136883, 273766, 410649, 547532, 684415, 821298, 1095064, 1231947, 1368830, 1642596, 2053245, 2190128, 2463894, 2737660, 3285192, 4106490, 4380256, 4927788, 5475320, 6159735, 6570384, 8212980, 9855576, 10950640, 12319470, 13140768, 16425960, 19711152, 21901280, 24638940, 32851920, 39422304, 49277880, 65703840, 98555760, 197111520]

約数ペア:

[(1, 197111520), (2, 98555760), (3, 65703840), (4, 49277880), (5, 39422304), (6, 32851920), (8, 24638940), (9, 21901280), (10, 19711152), (12, 16425960), (15, 13140768), (16, 12319470), (18, 10950640), (20, 9855576), (24, 8212980), (30, 6570384), (32, 6159735), (36, 5475320), (40, 4927788), (45, 4380256), (48, 4106490), (60, 3285192), (72, 2737660), (80, 2463894), (90, 2190128), (96, 2053245), (120, 1642596), (144, 1368830), (160, 1231947), (180, 1095064), (240, 821298), (288, 684415), (360, 547532), (480, 410649), (720, 273766), (1440, 136883)]