857220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 2972928

約数和(自身を除く): 2115708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 157, 182, 195, 210, 260, 273, 314, 364, 390, 420, 455, 471, 546, 628, 780, 785, 910, 942, 1092, 1099, 1365, 1570, 1820, 1884, 2041, 2198, 2355, 2730, 3140, 3297, 4082, 4396, 4710, 5460, 5495, 6123, 6594, 8164, 9420, 10205, 10990, 12246, 13188, 14287, 16485, 20410, 21980, 24492, 28574, 30615, 32970, 40820, 42861, 57148, 61230, 65940, 71435, 85722, 122460, 142870, 171444, 214305, 285740, 428610, 857220]

約数ペア:

[(1, 857220), (2, 428610), (3, 285740), (4, 214305), (5, 171444), (6, 142870), (7, 122460), (10, 85722), (12, 71435), (13, 65940), (14, 61230), (15, 57148), (20, 42861), (21, 40820), (26, 32970), (28, 30615), (30, 28574), (35, 24492), (39, 21980), (42, 20410), (52, 16485), (60, 14287), (65, 13188), (70, 12246), (78, 10990), (84, 10205), (91, 9420), (105, 8164), (130, 6594), (140, 6123), (156, 5495), (157, 5460), (182, 4710), (195, 4396), (210, 4082), (260, 3297), (273, 3140), (314, 2730), (364, 2355), (390, 2198), (420, 2041), (455, 1884), (471, 1820), (546, 1570), (628, 1365), (780, 1099), (785, 1092), (910, 942)]