21992349840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2955961}}^1$

素因数の和:2956008

約数の個数: 80

約数和(自身を含む): 70375543296

約数和(自身を除く): 48383193456

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, 2955961, 5911922, 8867883, 11823844, 14779805, 17735766, 23647688, 29559610, 35471532, 44339415, 47295376, 59119220, 70943064, 88678830, 91634791, 118238440, 141886128, 177357660, 183269582, 236476880, 274904373, 354715320, 366539164, 458173955, 549808746, 709430640, 733078328, 916347910, 1099617492, 1374521865, 1466156656, 1832695820, 2199234984, 2749043730, 3665391640, 4398469968, 5498087460, 7330783280, 10996174920, 21992349840]

約数ペア:

[(1, 21992349840), (2, 10996174920), (3, 7330783280), (4, 5498087460), (5, 4398469968), (6, 3665391640), (8, 2749043730), (10, 2199234984), (12, 1832695820), (15, 1466156656), (16, 1374521865), (20, 1099617492), (24, 916347910), (30, 733078328), (31, 709430640), (40, 549808746), (48, 458173955), (60, 366539164), (62, 354715320), (80, 274904373), (93, 236476880), (120, 183269582), (124, 177357660), (155, 141886128), (186, 118238440), (240, 91634791), (248, 88678830), (310, 70943064), (372, 59119220), (465, 47295376), (496, 44339415), (620, 35471532), (744, 29559610), (930, 23647688), (1240, 17735766), (1488, 14779805), (1860, 11823844), (2480, 8867883), (3720, 5911922), (7440, 2955961)]