80528040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:624

約数の個数: 128

約数和(自身を含む): 270604800

約数和(自身を除く): 190076760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 173, 180, 216, 270, 346, 360, 431, 519, 540, 692, 862, 865, 1038, 1080, 1293, 1384, 1557, 1724, 1730, 2076, 2155, 2586, 2595, 3114, 3448, 3460, 3879, 4152, 4310, 4671, 5172, 5190, 6228, 6465, 6920, 7758, 7785, 8620, 9342, 10344, 10380, 11637, 12456, 12930, 15516, 15570, 17240, 18684, 19395, 20760, 23274, 23355, 25860, 31032, 31140, 37368, 38790, 46548, 46710, 51720, 58185, 62280, 74563, 77580, 93096, 93420, 116370, 149126, 155160, 186840, 223689, 232740, 298252, 372815, 447378, 465480, 596504, 671067, 745630, 894756, 1118445, 1342134, 1491260, 1789512, 2013201, 2236890, 2684268, 2982520, 3355335, 4026402, 4473780, 5368536, 6710670, 8052804, 8947560, 10066005, 13421340, 16105608, 20132010, 26842680, 40264020, 80528040]

約数ペア:

[(1, 80528040), (2, 40264020), (3, 26842680), (4, 20132010), (5, 16105608), (6, 13421340), (8, 10066005), (9, 8947560), (10, 8052804), (12, 6710670), (15, 5368536), (18, 4473780), (20, 4026402), (24, 3355335), (27, 2982520), (30, 2684268), (36, 2236890), (40, 2013201), (45, 1789512), (54, 1491260), (60, 1342134), (72, 1118445), (90, 894756), (108, 745630), (120, 671067), (135, 596504), (173, 465480), (180, 447378), (216, 372815), (270, 298252), (346, 232740), (360, 223689), (431, 186840), (519, 155160), (540, 149126), (692, 116370), (862, 93420), (865, 93096), (1038, 77580), (1080, 74563), (1293, 62280), (1384, 58185), (1557, 51720), (1724, 46710), (1730, 46548), (2076, 38790), (2155, 37368), (2586, 31140), (2595, 31032), (3114, 25860), (3448, 23355), (3460, 23274), (3879, 20760), (4152, 19395), (4310, 18684), (4671, 17240), (5172, 15570), (5190, 15516), (6228, 12930), (6465, 12456), (6920, 11637), (7758, 10380), (7785, 10344), (8620, 9342)]