815902360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{224149}}^1$

素因数の和:224180

約数の個数: 64

約数和(自身を含む): 2259432000

約数和(自身を除く): 1443529640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 224149, 448298, 896596, 1120745, 1569043, 1793192, 2241490, 2913937, 3138086, 4482980, 5827874, 6276172, 7845215, 8965960, 11655748, 12552344, 14569685, 15690430, 20397559, 23311496, 29139370, 31380860, 40795118, 58278740, 62761720, 81590236, 101987795, 116557480, 163180472, 203975590, 407951180, 815902360]

約数ペア:

[(1, 815902360), (2, 407951180), (4, 203975590), (5, 163180472), (7, 116557480), (8, 101987795), (10, 81590236), (13, 62761720), (14, 58278740), (20, 40795118), (26, 31380860), (28, 29139370), (35, 23311496), (40, 20397559), (52, 15690430), (56, 14569685), (65, 12552344), (70, 11655748), (91, 8965960), (104, 7845215), (130, 6276172), (140, 5827874), (182, 4482980), (260, 3138086), (280, 2913937), (364, 2241490), (455, 1793192), (520, 1569043), (728, 1120745), (910, 896596), (1820, 448298), (3640, 224149)]