80370720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55813}}^1$

素因数の和:55834

約数の個数: 72

約数和(自身を含む): 274269996

約数和(自身を除く): 193899276

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, 55813, 111626, 167439, 223252, 279065, 334878, 446504, 502317, 558130, 669756, 837195, 893008, 1004634, 1116260, 1339512, 1674390, 1786016, 2009268, 2232520, 2511585, 2679024, 3348780, 4018536, 4465040, 5023170, 5358048, 6697560, 8037072, 8930080, 10046340, 13395120, 16074144, 20092680, 26790240, 40185360, 80370720]

約数ペア:

[(1, 80370720), (2, 40185360), (3, 26790240), (4, 20092680), (5, 16074144), (6, 13395120), (8, 10046340), (9, 8930080), (10, 8037072), (12, 6697560), (15, 5358048), (16, 5023170), (18, 4465040), (20, 4018536), (24, 3348780), (30, 2679024), (32, 2511585), (36, 2232520), (40, 2009268), (45, 1786016), (48, 1674390), (60, 1339512), (72, 1116260), (80, 1004634), (90, 893008), (96, 837195), (120, 669756), (144, 558130), (160, 502317), (180, 446504), (240, 334878), (288, 279065), (360, 223252), (480, 167439), (720, 111626), (1440, 55813)]