28431720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78977}}^1$

素因数の和:78994

約数の個数: 48

約数和(自身を含む): 92404260

約数和(自身を除く): 63972540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 78977, 157954, 236931, 315908, 394885, 473862, 631816, 710793, 789770, 947724, 1184655, 1421586, 1579540, 1895448, 2369310, 2843172, 3159080, 3553965, 4738620, 5686344, 7107930, 9477240, 14215860, 28431720]

約数ペア:

[(1, 28431720), (2, 14215860), (3, 9477240), (4, 7107930), (5, 5686344), (6, 4738620), (8, 3553965), (9, 3159080), (10, 2843172), (12, 2369310), (15, 1895448), (18, 1579540), (20, 1421586), (24, 1184655), (30, 947724), (36, 789770), (40, 710793), (45, 631816), (60, 473862), (72, 394885), (90, 315908), (120, 236931), (180, 157954), (360, 78977)]