31500720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 107533296

約数和(自身を除く): 76032576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 653, 670, 720, 804, 1005, 1072, 1206, 1306, 1340, 1608, 1959, 2010, 2412, 2612, 2680, 3015, 3216, 3265, 3918, 4020, 4824, 5224, 5360, 5877, 6030, 6530, 7836, 8040, 9648, 9795, 10448, 11754, 12060, 13060, 15672, 16080, 19590, 23508, 24120, 26120, 29385, 31344, 39180, 43751, 47016, 48240, 52240, 58770, 78360, 87502, 94032, 117540, 131253, 156720, 175004, 218755, 235080, 262506, 350008, 393759, 437510, 470160, 525012, 656265, 700016, 787518, 875020, 1050024, 1312530, 1575036, 1750040, 1968795, 2100048, 2625060, 3150072, 3500080, 3937590, 5250120, 6300144, 7875180, 10500240, 15750360, 31500720]

約数ペア:

[(1, 31500720), (2, 15750360), (3, 10500240), (4, 7875180), (5, 6300144), (6, 5250120), (8, 3937590), (9, 3500080), (10, 3150072), (12, 2625060), (15, 2100048), (16, 1968795), (18, 1750040), (20, 1575036), (24, 1312530), (30, 1050024), (36, 875020), (40, 787518), (45, 700016), (48, 656265), (60, 525012), (67, 470160), (72, 437510), (80, 393759), (90, 350008), (120, 262506), (134, 235080), (144, 218755), (180, 175004), (201, 156720), (240, 131253), (268, 117540), (335, 94032), (360, 87502), (402, 78360), (536, 58770), (603, 52240), (653, 48240), (670, 47016), (720, 43751), (804, 39180), (1005, 31344), (1072, 29385), (1206, 26120), (1306, 24120), (1340, 23508), (1608, 19590), (1959, 16080), (2010, 15672), (2412, 13060), (2612, 12060), (2680, 11754), (3015, 10448), (3216, 9795), (3265, 9648), (3918, 8040), (4020, 7836), (4824, 6530), (5224, 6030), (5360, 5877)]